313090700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:532

約数の個数: 144

約数和(自身を含む): 801448704

約数和(自身を除く): 488358004

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 31, 34, 50, 52, 62, 65, 68, 85, 100, 124, 130, 155, 170, 221, 260, 310, 325, 340, 403, 425, 442, 457, 527, 620, 650, 775, 806, 850, 884, 914, 1054, 1105, 1300, 1550, 1612, 1700, 1828, 2015, 2108, 2210, 2285, 2635, 3100, 4030, 4420, 4570, 5270, 5525, 5941, 6851, 7769, 8060, 9140, 10075, 10540, 11050, 11425, 11882, 13175, 13702, 14167, 15538, 20150, 22100, 22850, 23764, 26350, 27404, 28334, 29705, 31076, 34255, 38845, 40300, 45700, 52700, 56668, 59410, 68510, 70835, 77690, 100997, 118820, 137020, 141670, 148525, 155380, 171275, 184171, 194225, 201994, 240839, 283340, 297050, 342550, 354175, 368342, 388450, 403988, 481678, 504985, 594100, 685100, 708350, 736684, 776900, 920855, 963356, 1009970, 1204195, 1416700, 1841710, 2019940, 2408390, 2524925, 3130907, 3683420, 4604275, 4816780, 5049850, 6020975, 6261814, 9208550, 10099700, 12041950, 12523628, 15654535, 18417100, 24083900, 31309070, 62618140, 78272675, 156545350, 313090700]

約数ペア:

[(1, 313090700), (2, 156545350), (4, 78272675), (5, 62618140), (10, 31309070), (13, 24083900), (17, 18417100), (20, 15654535), (25, 12523628), (26, 12041950), (31, 10099700), (34, 9208550), (50, 6261814), (52, 6020975), (62, 5049850), (65, 4816780), (68, 4604275), (85, 3683420), (100, 3130907), (124, 2524925), (130, 2408390), (155, 2019940), (170, 1841710), (221, 1416700), (260, 1204195), (310, 1009970), (325, 963356), (340, 920855), (403, 776900), (425, 736684), (442, 708350), (457, 685100), (527, 594100), (620, 504985), (650, 481678), (775, 403988), (806, 388450), (850, 368342), (884, 354175), (914, 342550), (1054, 297050), (1105, 283340), (1300, 240839), (1550, 201994), (1612, 194225), (1700, 184171), (1828, 171275), (2015, 155380), (2108, 148525), (2210, 141670), (2285, 137020), (2635, 118820), (3100, 100997), (4030, 77690), (4420, 70835), (4570, 68510), (5270, 59410), (5525, 56668), (5941, 52700), (6851, 45700), (7769, 40300), (8060, 38845), (9140, 34255), (10075, 31076), (10540, 29705), (11050, 28334), (11425, 27404), (11882, 26350), (13175, 23764), (13702, 22850), (14167, 22100), (15538, 20150)]