3993750

素因数分解:

$2^1\times 3^2\times 5^5\times {\mathrm{71}}^1$

素因数の和:104

約数の個数: 72

約数和(自身を含む): 10968048

約数和(自身を除く): 6974298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 125, 142, 150, 213, 225, 250, 355, 375, 426, 450, 625, 639, 710, 750, 1065, 1125, 1250, 1278, 1775, 1875, 2130, 2250, 3125, 3195, 3550, 3750, 5325, 5625, 6250, 6390, 8875, 9375, 10650, 11250, 15975, 17750, 18750, 26625, 28125, 31950, 44375, 53250, 56250, 79875, 88750, 133125, 159750, 221875, 266250, 399375, 443750, 665625, 798750, 1331250, 1996875, 3993750]

約数ペア:

[(1, 3993750), (2, 1996875), (3, 1331250), (5, 798750), (6, 665625), (9, 443750), (10, 399375), (15, 266250), (18, 221875), (25, 159750), (30, 133125), (45, 88750), (50, 79875), (71, 56250), (75, 53250), (90, 44375), (125, 31950), (142, 28125), (150, 26625), (213, 18750), (225, 17750), (250, 15975), (355, 11250), (375, 10650), (426, 9375), (450, 8875), (625, 6390), (639, 6250), (710, 5625), (750, 5325), (1065, 3750), (1125, 3550), (1250, 3195), (1278, 3125), (1775, 2250), (1875, 2130)]