70312500

素因数分解:

$2^2\times 3^2\times 5^9$

素因数の和:55

約数の個数: 90

約数和(自身を含む): 222167946

約数和(自身を除く): 151855446

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1500, 1875, 2250, 2500, 3125, 3750, 4500, 5625, 6250, 7500, 9375, 11250, 12500, 15625, 18750, 22500, 28125, 31250, 37500, 46875, 56250, 62500, 78125, 93750, 112500, 140625, 156250, 187500, 234375, 281250, 312500, 390625, 468750, 562500, 703125, 781250, 937500, 1171875, 1406250, 1562500, 1953125, 2343750, 2812500, 3515625, 3906250, 4687500, 5859375, 7031250, 7812500, 11718750, 14062500, 17578125, 23437500, 35156250, 70312500]

約数ペア:

[(1, 70312500), (2, 35156250), (3, 23437500), (4, 17578125), (5, 14062500), (6, 11718750), (9, 7812500), (10, 7031250), (12, 5859375), (15, 4687500), (18, 3906250), (20, 3515625), (25, 2812500), (30, 2343750), (36, 1953125), (45, 1562500), (50, 1406250), (60, 1171875), (75, 937500), (90, 781250), (100, 703125), (125, 562500), (150, 468750), (180, 390625), (225, 312500), (250, 281250), (300, 234375), (375, 187500), (450, 156250), (500, 140625), (625, 112500), (750, 93750), (900, 78125), (1125, 62500), (1250, 56250), (1500, 46875), (1875, 37500), (2250, 31250), (2500, 28125), (3125, 22500), (3750, 18750), (4500, 15625), (5625, 12500), (6250, 11250), (7500, 9375)]