123217250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 256628736

約数和(自身を除く): 133411486

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 310, 325, 403, 650, 775, 806, 1223, 1550, 1625, 2015, 2446, 3250, 3875, 4030, 6115, 7750, 10075, 12230, 15899, 20150, 30575, 31798, 37913, 50375, 61150, 75826, 79495, 100750, 152875, 158990, 189565, 305750, 379130, 397475, 492869, 794950, 947825, 985738, 1895650, 1987375, 2464345, 3974750, 4739125, 4928690, 9478250, 12321725, 24643450, 61608625, 123217250]

約数ペア:

[(1, 123217250), (2, 61608625), (5, 24643450), (10, 12321725), (13, 9478250), (25, 4928690), (26, 4739125), (31, 3974750), (50, 2464345), (62, 1987375), (65, 1895650), (125, 985738), (130, 947825), (155, 794950), (250, 492869), (310, 397475), (325, 379130), (403, 305750), (650, 189565), (775, 158990), (806, 152875), (1223, 100750), (1550, 79495), (1625, 75826), (2015, 61150), (2446, 50375), (3250, 37913), (3875, 31798), (4030, 30575), (6115, 20150), (7750, 15899), (10075, 12230)]