855750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{163}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 2456064

約数和(自身を除く): 1600314

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 163, 175, 210, 250, 326, 350, 375, 489, 525, 750, 815, 875, 978, 1050, 1141, 1630, 1750, 2282, 2445, 2625, 3423, 4075, 4890, 5250, 5705, 6846, 8150, 11410, 12225, 17115, 20375, 24450, 28525, 34230, 40750, 57050, 61125, 85575, 122250, 142625, 171150, 285250, 427875, 855750]

約数ペア:

[(1, 855750), (2, 427875), (3, 285250), (5, 171150), (6, 142625), (7, 122250), (10, 85575), (14, 61125), (15, 57050), (21, 40750), (25, 34230), (30, 28525), (35, 24450), (42, 20375), (50, 17115), (70, 12225), (75, 11410), (105, 8150), (125, 6846), (150, 5705), (163, 5250), (175, 4890), (210, 4075), (250, 3423), (326, 2625), (350, 2445), (375, 2282), (489, 1750), (525, 1630), (750, 1141), (815, 1050), (875, 978)]