209791260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 288

約数和(自身を含む): 774918144

約数和(自身を除く): 565126884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 41, 42, 45, 60, 62, 63, 70, 82, 84, 90, 93, 105, 123, 124, 126, 131, 140, 155, 164, 180, 186, 205, 210, 217, 246, 252, 262, 279, 287, 310, 315, 369, 372, 393, 410, 420, 434, 465, 492, 524, 558, 574, 615, 620, 630, 651, 655, 738, 786, 820, 861, 868, 917, 930, 1085, 1116, 1148, 1179, 1230, 1260, 1271, 1302, 1310, 1395, 1435, 1476, 1572, 1722, 1834, 1845, 1860, 1953, 1965, 2170, 2358, 2460, 2542, 2583, 2604, 2620, 2751, 2790, 2870, 3255, 3444, 3668, 3690, 3813, 3906, 3930, 4061, 4305, 4340, 4585, 4716, 5084, 5166, 5371, 5502, 5580, 5740, 5895, 6355, 6510, 7380, 7626, 7812, 7860, 8122, 8253, 8610, 8897, 9170, 9765, 10332, 10742, 11004, 11439, 11790, 12183, 12710, 12915, 13020, 13755, 15252, 16113, 16244, 16506, 17220, 17794, 18340, 19065, 19530, 20305, 21484, 22878, 23580, 24366, 25420, 25830, 26691, 26855, 27510, 28427, 32226, 33012, 35588, 36549, 37597, 38130, 39060, 40610, 41265, 44485, 45756, 48339, 48732, 51660, 53382, 53710, 55020, 56854, 57195, 60915, 64452, 73098, 75194, 76260, 80073, 80565, 81220, 82530, 85281, 88970, 96678, 106764, 107420, 112791, 113708, 114390, 121830, 133455, 142135, 146196, 150388, 160146, 161130, 165060, 166501, 170562, 177940, 182745, 187985, 193356, 225582, 228780, 241695, 243660, 255843, 266910, 284270, 320292, 322260, 333002, 338373, 341124, 365490, 375970, 400365, 426405, 451164, 483390, 499503, 511686, 533820, 563955, 568540, 666004, 676746, 730980, 751940, 800730, 832505, 852810, 966780, 999006, 1023372, 1127910, 1165507, 1279215, 1353492, 1498509, 1601460, 1665010, 1691865, 1705620, 1998012, 2255820, 2331014, 2497515, 2558430, 2997018, 3330020, 3383730, 3496521, 4662028, 4995030, 5116860, 5827535, 5994036, 6767460, 6993042, 7492545, 9990060, 10489563, 11655070, 13986084, 14985090, 17482605, 20979126, 23310140, 29970180, 34965210, 41958252, 52447815, 69930420, 104895630, 209791260]

約数ペア:

[(1, 209791260), (2, 104895630), (3, 69930420), (4, 52447815), (5, 41958252), (6, 34965210), (7, 29970180), (9, 23310140), (10, 20979126), (12, 17482605), (14, 14985090), (15, 13986084), (18, 11655070), (20, 10489563), (21, 9990060), (28, 7492545), (30, 6993042), (31, 6767460), (35, 5994036), (36, 5827535), (41, 5116860), (42, 4995030), (45, 4662028), (60, 3496521), (62, 3383730), (63, 3330020), (70, 2997018), (82, 2558430), (84, 2497515), (90, 2331014), (93, 2255820), (105, 1998012), (123, 1705620), (124, 1691865), (126, 1665010), (131, 1601460), (140, 1498509), (155, 1353492), (164, 1279215), (180, 1165507), (186, 1127910), (205, 1023372), (210, 999006), (217, 966780), (246, 852810), (252, 832505), (262, 800730), (279, 751940), (287, 730980), (310, 676746), (315, 666004), (369, 568540), (372, 563955), (393, 533820), (410, 511686), (420, 499503), (434, 483390), (465, 451164), (492, 426405), (524, 400365), (558, 375970), (574, 365490), (615, 341124), (620, 338373), (630, 333002), (651, 322260), (655, 320292), (738, 284270), (786, 266910), (820, 255843), (861, 243660), (868, 241695), (917, 228780), (930, 225582), (1085, 193356), (1116, 187985), (1148, 182745), (1179, 177940), (1230, 170562), (1260, 166501), (1271, 165060), (1302, 161130), (1310, 160146), (1395, 150388), (1435, 146196), (1476, 142135), (1572, 133455), (1722, 121830), (1834, 114390), (1845, 113708), (1860, 112791), (1953, 107420), (1965, 106764), (2170, 96678), (2358, 88970), (2460, 85281), (2542, 82530), (2583, 81220), (2604, 80565), (2620, 80073), (2751, 76260), (2790, 75194), (2870, 73098), (3255, 64452), (3444, 60915), (3668, 57195), (3690, 56854), (3813, 55020), (3906, 53710), (3930, 53382), (4061, 51660), (4305, 48732), (4340, 48339), (4585, 45756), (4716, 44485), (5084, 41265), (5166, 40610), (5371, 39060), (5502, 38130), (5580, 37597), (5740, 36549), (5895, 35588), (6355, 33012), (6510, 32226), (7380, 28427), (7626, 27510), (7812, 26855), (7860, 26691), (8122, 25830), (8253, 25420), (8610, 24366), (8897, 23580), (9170, 22878), (9765, 21484), (10332, 20305), (10742, 19530), (11004, 19065), (11439, 18340), (11790, 17794), (12183, 17220), (12710, 16506), (12915, 16244), (13020, 16113), (13755, 15252)]