405729820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{7321}}^1$

素因数の和:7510

約数の個数: 48

約数和(自身を含む): 907810848

約数和(自身を除く): 502081028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 652, 815, 1630, 2771, 3260, 5542, 7321, 11084, 13855, 14642, 27710, 29284, 36605, 55420, 73210, 124457, 146420, 248914, 497828, 622285, 1193323, 1244570, 2386646, 2489140, 4773292, 5966615, 11933230, 20286491, 23866460, 40572982, 81145964, 101432455, 202864910, 405729820]

約数ペア:

[(1, 405729820), (2, 202864910), (4, 101432455), (5, 81145964), (10, 40572982), (17, 23866460), (20, 20286491), (34, 11933230), (68, 5966615), (85, 4773292), (163, 2489140), (170, 2386646), (326, 1244570), (340, 1193323), (652, 622285), (815, 497828), (1630, 248914), (2771, 146420), (3260, 124457), (5542, 73210), (7321, 55420), (11084, 36605), (13855, 29284), (14642, 27710)]