201747380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2341}}^1$

素因数の和:2520

約数の個数: 48

約数和(自身を含む): 440670720

約数和(自身を除く): 238923340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 1390, 2341, 2780, 4309, 4682, 8618, 9364, 11705, 17236, 21545, 23410, 43090, 46820, 72571, 86180, 145142, 290284, 325399, 362855, 650798, 725710, 1301596, 1451420, 1626995, 3253990, 6507980, 10087369, 20174738, 40349476, 50436845, 100873690, 201747380]

約数ペア:

[(1, 201747380), (2, 100873690), (4, 50436845), (5, 40349476), (10, 20174738), (20, 10087369), (31, 6507980), (62, 3253990), (124, 1626995), (139, 1451420), (155, 1301596), (278, 725710), (310, 650798), (556, 362855), (620, 325399), (695, 290284), (1390, 145142), (2341, 86180), (2780, 72571), (4309, 46820), (4682, 43090), (8618, 23410), (9364, 21545), (11705, 17236)]