89874680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4397}}^1$

素因数の和:4488

約数の個数: 64

約数和(自身を含む): 234325440

約数和(自身を除く): 144450760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 4397, 5110, 8794, 10220, 17588, 20440, 21985, 30779, 35176, 43970, 61558, 87940, 123116, 153895, 175880, 246232, 307790, 320981, 615580, 641962, 1231160, 1283924, 1604905, 2246867, 2567848, 3209810, 4493734, 6419620, 8987468, 11234335, 12839240, 17974936, 22468670, 44937340, 89874680]

約数ペア:

[(1, 89874680), (2, 44937340), (4, 22468670), (5, 17974936), (7, 12839240), (8, 11234335), (10, 8987468), (14, 6419620), (20, 4493734), (28, 3209810), (35, 2567848), (40, 2246867), (56, 1604905), (70, 1283924), (73, 1231160), (140, 641962), (146, 615580), (280, 320981), (292, 307790), (365, 246232), (511, 175880), (584, 153895), (730, 123116), (1022, 87940), (1460, 61558), (2044, 43970), (2555, 35176), (2920, 30779), (4088, 21985), (4397, 20440), (5110, 17588), (8794, 10220)]