494337890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 940896000

約数和(自身を除く): 446558110

約数列:

[1, 2, 5, 10, 43, 53, 86, 106, 109, 199, 215, 218, 265, 398, 430, 530, 545, 995, 1090, 1990, 2279, 4558, 4687, 5777, 8557, 9374, 10547, 11395, 11554, 17114, 21094, 21691, 22790, 23435, 28885, 42785, 43382, 46870, 52735, 57770, 85570, 105470, 108455, 216910, 248411, 453521, 496822, 907042, 932713, 1149623, 1242055, 1865426, 2267605, 2299246, 2484110, 4535210, 4663565, 5748115, 9327130, 11496230, 49433789, 98867578, 247168945, 494337890]

約数ペア:

[(1, 494337890), (2, 247168945), (5, 98867578), (10, 49433789), (43, 11496230), (53, 9327130), (86, 5748115), (106, 4663565), (109, 4535210), (199, 2484110), (215, 2299246), (218, 2267605), (265, 1865426), (398, 1242055), (430, 1149623), (530, 932713), (545, 907042), (995, 496822), (1090, 453521), (1990, 248411), (2279, 216910), (4558, 108455), (4687, 105470), (5777, 85570), (8557, 57770), (9374, 52735), (10547, 46870), (11395, 43382), (11554, 42785), (17114, 28885), (21094, 23435), (21691, 22790)]