284283640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229261}}^1$

素因数の和:229303

約数の個数: 32

約数和(自身を含む): 660274560

約数和(自身を除く): 375990920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 229261, 458522, 917044, 1146305, 1834088, 2292610, 4585220, 7107091, 9170440, 14214182, 28428364, 35535455, 56856728, 71070910, 142141820, 284283640]

約数ペア:

[(1, 284283640), (2, 142141820), (4, 71070910), (5, 56856728), (8, 35535455), (10, 28428364), (20, 14214182), (31, 9170440), (40, 7107091), (62, 4585220), (124, 2292610), (155, 1834088), (248, 1146305), (310, 917044), (620, 458522), (1240, 229261)]