724797820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{4517}}^1$

素因数の和:4710

約数の個数: 48

約数和(自身を含む): 1557517248

約数和(自身を除く): 832719428

約数列:

[1, 2, 4, 5, 10, 20, 71, 113, 142, 226, 284, 355, 452, 565, 710, 1130, 1420, 2260, 4517, 8023, 9034, 16046, 18068, 22585, 32092, 40115, 45170, 80230, 90340, 160460, 320707, 510421, 641414, 1020842, 1282828, 1603535, 2041684, 2552105, 3207070, 5104210, 6414140, 10208420, 36239891, 72479782, 144959564, 181199455, 362398910, 724797820]

約数ペア:

[(1, 724797820), (2, 362398910), (4, 181199455), (5, 144959564), (10, 72479782), (20, 36239891), (71, 10208420), (113, 6414140), (142, 5104210), (226, 3207070), (284, 2552105), (355, 2041684), (452, 1603535), (565, 1282828), (710, 1020842), (1130, 641414), (1420, 510421), (2260, 320707), (4517, 160460), (8023, 90340), (9034, 80230), (16046, 45170), (18068, 40115), (22585, 32092)]