1900527850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:680

約数の個数: 96

約数和(自身を含む): 3955746816

約数和(自身を除く): 2055218966

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 257, 310, 325, 367, 403, 514, 650, 734, 775, 806, 1285, 1550, 1835, 2015, 2570, 3341, 3670, 4030, 4771, 6425, 6682, 7967, 9175, 9542, 10075, 11377, 12850, 15934, 16705, 18350, 20150, 22754, 23855, 33410, 39835, 47710, 56885, 79670, 83525, 94319, 103571, 113770, 119275, 147901, 167050, 188638, 199175, 207142, 238550, 284425, 295802, 398350, 471595, 517855, 568850, 739505, 943190, 1035710, 1226147, 1479010, 2357975, 2452294, 2589275, 2923889, 3697525, 4715950, 5178550, 5847778, 6130735, 7395050, 12261470, 14619445, 29238890, 30653675, 38010557, 61307350, 73097225, 76021114, 146194450, 190052785, 380105570, 950263925, 1900527850]

約数ペア:

[(1, 1900527850), (2, 950263925), (5, 380105570), (10, 190052785), (13, 146194450), (25, 76021114), (26, 73097225), (31, 61307350), (50, 38010557), (62, 30653675), (65, 29238890), (130, 14619445), (155, 12261470), (257, 7395050), (310, 6130735), (325, 5847778), (367, 5178550), (403, 4715950), (514, 3697525), (650, 2923889), (734, 2589275), (775, 2452294), (806, 2357975), (1285, 1479010), (1550, 1226147), (1835, 1035710), (2015, 943190), (2570, 739505), (3341, 568850), (3670, 517855), (4030, 471595), (4771, 398350), (6425, 295802), (6682, 284425), (7967, 238550), (9175, 207142), (9542, 199175), (10075, 188638), (11377, 167050), (12850, 147901), (15934, 119275), (16705, 113770), (18350, 103571), (20150, 94319), (22754, 83525), (23855, 79670), (33410, 56885), (39835, 47710)]