4278750

素因数分解:

$2^1\times 3^1\times 5^4\times 7^1\times {\mathrm{163}}^1$

素因数の和:195

約数の個数: 80

約数和(自身を含む): 12296064

約数和(自身を除く): 8017314

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, 625, 750, 815, 875, 978, 1050, 1141, 1250, 1630, 1750, 1875, 2282, 2445, 2625, 3423, 3750, 4075, 4375, 4890, 5250, 5705, 6846, 8150, 8750, 11410, 12225, 13125, 17115, 20375, 24450, 26250, 28525, 34230, 40750, 57050, 61125, 85575, 101875, 122250, 142625, 171150, 203750, 285250, 305625, 427875, 611250, 713125, 855750, 1426250, 2139375, 4278750]

約数ペア:

[(1, 4278750), (2, 2139375), (3, 1426250), (5, 855750), (6, 713125), (7, 611250), (10, 427875), (14, 305625), (15, 285250), (21, 203750), (25, 171150), (30, 142625), (35, 122250), (42, 101875), (50, 85575), (70, 61125), (75, 57050), (105, 40750), (125, 34230), (150, 28525), (163, 26250), (175, 24450), (210, 20375), (250, 17115), (326, 13125), (350, 12225), (375, 11410), (489, 8750), (525, 8150), (625, 6846), (750, 5705), (815, 5250), (875, 4890), (978, 4375), (1050, 4075), (1141, 3750), (1250, 3423), (1630, 2625), (1750, 2445), (1875, 2282)]