204995560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 256

約数和(自身を含む): 630374400

約数和(自身を除く): 425378840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 31, 35, 38, 40, 44, 55, 56, 62, 70, 76, 77, 88, 95, 110, 113, 124, 133, 140, 152, 154, 155, 190, 209, 217, 220, 226, 248, 266, 280, 308, 310, 341, 380, 385, 418, 434, 440, 452, 532, 565, 589, 616, 620, 665, 682, 760, 770, 791, 836, 868, 904, 1045, 1064, 1085, 1130, 1178, 1240, 1243, 1330, 1364, 1463, 1540, 1582, 1672, 1705, 1736, 2090, 2147, 2170, 2260, 2356, 2387, 2486, 2660, 2728, 2926, 2945, 3080, 3164, 3410, 3503, 3955, 4123, 4180, 4294, 4340, 4520, 4712, 4774, 4972, 5320, 5852, 5890, 6215, 6328, 6479, 6820, 7006, 7315, 7910, 8246, 8360, 8588, 8680, 8701, 9548, 9944, 10735, 11704, 11780, 11935, 12430, 12958, 13640, 14012, 14630, 15029, 15820, 16492, 17176, 17402, 17515, 19096, 20615, 21470, 23560, 23617, 23870, 24521, 24860, 25916, 28024, 29260, 30058, 31640, 32395, 32984, 34804, 35030, 38533, 41230, 42940, 43505, 45353, 47234, 47740, 49042, 49720, 51832, 58520, 60116, 64790, 66557, 69608, 70060, 75145, 77066, 82460, 85880, 87010, 90706, 94468, 95480, 98084, 118085, 120232, 122605, 129580, 133114, 140120, 150290, 154132, 164920, 165319, 174020, 181412, 188936, 192665, 196168, 226765, 236170, 245210, 259160, 266228, 269731, 300580, 308264, 330638, 332785, 348040, 362824, 385330, 453530, 465899, 472340, 490420, 532456, 539462, 601160, 661276, 665570, 732127, 770660, 826595, 907060, 931798, 944680, 980840, 1078924, 1322552, 1331140, 1348655, 1464254, 1541320, 1653190, 1814120, 1863596, 2157848, 2329495, 2662280, 2697310, 2928508, 3306380, 3660635, 3727192, 4658990, 5124889, 5394620, 5857016, 6612760, 7321270, 9317980, 10249778, 10789240, 14642540, 18635960, 20499556, 25624445, 29285080, 40999112, 51248890, 102497780, 204995560]

約数ペア:

[(1, 204995560), (2, 102497780), (4, 51248890), (5, 40999112), (7, 29285080), (8, 25624445), (10, 20499556), (11, 18635960), (14, 14642540), (19, 10789240), (20, 10249778), (22, 9317980), (28, 7321270), (31, 6612760), (35, 5857016), (38, 5394620), (40, 5124889), (44, 4658990), (55, 3727192), (56, 3660635), (62, 3306380), (70, 2928508), (76, 2697310), (77, 2662280), (88, 2329495), (95, 2157848), (110, 1863596), (113, 1814120), (124, 1653190), (133, 1541320), (140, 1464254), (152, 1348655), (154, 1331140), (155, 1322552), (190, 1078924), (209, 980840), (217, 944680), (220, 931798), (226, 907060), (248, 826595), (266, 770660), (280, 732127), (308, 665570), (310, 661276), (341, 601160), (380, 539462), (385, 532456), (418, 490420), (434, 472340), (440, 465899), (452, 453530), (532, 385330), (565, 362824), (589, 348040), (616, 332785), (620, 330638), (665, 308264), (682, 300580), (760, 269731), (770, 266228), (791, 259160), (836, 245210), (868, 236170), (904, 226765), (1045, 196168), (1064, 192665), (1085, 188936), (1130, 181412), (1178, 174020), (1240, 165319), (1243, 164920), (1330, 154132), (1364, 150290), (1463, 140120), (1540, 133114), (1582, 129580), (1672, 122605), (1705, 120232), (1736, 118085), (2090, 98084), (2147, 95480), (2170, 94468), (2260, 90706), (2356, 87010), (2387, 85880), (2486, 82460), (2660, 77066), (2728, 75145), (2926, 70060), (2945, 69608), (3080, 66557), (3164, 64790), (3410, 60116), (3503, 58520), (3955, 51832), (4123, 49720), (4180, 49042), (4294, 47740), (4340, 47234), (4520, 45353), (4712, 43505), (4774, 42940), (4972, 41230), (5320, 38533), (5852, 35030), (5890, 34804), (6215, 32984), (6328, 32395), (6479, 31640), (6820, 30058), (7006, 29260), (7315, 28024), (7910, 25916), (8246, 24860), (8360, 24521), (8588, 23870), (8680, 23617), (8701, 23560), (9548, 21470), (9944, 20615), (10735, 19096), (11704, 17515), (11780, 17402), (11935, 17176), (12430, 16492), (12958, 15820), (13640, 15029), (14012, 14630)]