90507900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 216

約数和(自身を含む): 313479936

約数和(自身を除く): 222972036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 47, 49, 50, 60, 70, 75, 84, 94, 98, 100, 105, 131, 140, 141, 147, 150, 175, 188, 196, 210, 235, 245, 262, 282, 294, 300, 329, 350, 393, 420, 470, 490, 524, 525, 564, 588, 655, 658, 700, 705, 735, 786, 917, 940, 980, 987, 1050, 1175, 1225, 1310, 1316, 1410, 1470, 1572, 1645, 1834, 1965, 1974, 2100, 2303, 2350, 2450, 2620, 2751, 2820, 2940, 3275, 3290, 3525, 3668, 3675, 3930, 3948, 4585, 4606, 4700, 4900, 4935, 5502, 6157, 6419, 6550, 6580, 6909, 7050, 7350, 7860, 8225, 9170, 9212, 9825, 9870, 11004, 11515, 12314, 12838, 13100, 13755, 13818, 14100, 14700, 16450, 18340, 18471, 19257, 19650, 19740, 22925, 23030, 24628, 24675, 25676, 27510, 27636, 30785, 32095, 32900, 34545, 36942, 38514, 39300, 43099, 45850, 46060, 49350, 55020, 57575, 61570, 64190, 68775, 69090, 73884, 77028, 86198, 91700, 92355, 96285, 98700, 115150, 123140, 128380, 129297, 137550, 138180, 153925, 160475, 172396, 172725, 184710, 192570, 215495, 230300, 258594, 275100, 301693, 307850, 320950, 345450, 369420, 385140, 430990, 461775, 481425, 517188, 603386, 615700, 641900, 646485, 690900, 861980, 905079, 923550, 962850, 1077475, 1206772, 1292970, 1508465, 1810158, 1847100, 1925700, 2154950, 2585940, 3016930, 3232425, 3620316, 4309900, 4525395, 6033860, 6464850, 7542325, 9050790, 12929700, 15084650, 18101580, 22626975, 30169300, 45253950, 90507900]

約数ペア:

[(1, 90507900), (2, 45253950), (3, 30169300), (4, 22626975), (5, 18101580), (6, 15084650), (7, 12929700), (10, 9050790), (12, 7542325), (14, 6464850), (15, 6033860), (20, 4525395), (21, 4309900), (25, 3620316), (28, 3232425), (30, 3016930), (35, 2585940), (42, 2154950), (47, 1925700), (49, 1847100), (50, 1810158), (60, 1508465), (70, 1292970), (75, 1206772), (84, 1077475), (94, 962850), (98, 923550), (100, 905079), (105, 861980), (131, 690900), (140, 646485), (141, 641900), (147, 615700), (150, 603386), (175, 517188), (188, 481425), (196, 461775), (210, 430990), (235, 385140), (245, 369420), (262, 345450), (282, 320950), (294, 307850), (300, 301693), (329, 275100), (350, 258594), (393, 230300), (420, 215495), (470, 192570), (490, 184710), (524, 172725), (525, 172396), (564, 160475), (588, 153925), (655, 138180), (658, 137550), (700, 129297), (705, 128380), (735, 123140), (786, 115150), (917, 98700), (940, 96285), (980, 92355), (987, 91700), (1050, 86198), (1175, 77028), (1225, 73884), (1310, 69090), (1316, 68775), (1410, 64190), (1470, 61570), (1572, 57575), (1645, 55020), (1834, 49350), (1965, 46060), (1974, 45850), (2100, 43099), (2303, 39300), (2350, 38514), (2450, 36942), (2620, 34545), (2751, 32900), (2820, 32095), (2940, 30785), (3275, 27636), (3290, 27510), (3525, 25676), (3668, 24675), (3675, 24628), (3930, 23030), (3948, 22925), (4585, 19740), (4606, 19650), (4700, 19257), (4900, 18471), (4935, 18340), (5502, 16450), (6157, 14700), (6419, 14100), (6550, 13818), (6580, 13755), (6909, 13100), (7050, 12838), (7350, 12314), (7860, 11515), (8225, 11004), (9170, 9870), (9212, 9825)]