141472840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 330577920

約数和(自身を除く): 189105080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 271, 310, 421, 542, 620, 842, 1084, 1240, 1355, 1684, 2105, 2168, 2710, 3368, 4210, 5420, 8401, 8420, 10840, 13051, 16802, 16840, 26102, 33604, 42005, 52204, 65255, 67208, 84010, 104408, 114091, 130510, 168020, 228182, 261020, 336040, 456364, 522040, 570455, 912728, 1140910, 2281820, 3536821, 4563640, 7073642, 14147284, 17684105, 28294568, 35368210, 70736420, 141472840]

約数ペア:

[(1, 141472840), (2, 70736420), (4, 35368210), (5, 28294568), (8, 17684105), (10, 14147284), (20, 7073642), (31, 4563640), (40, 3536821), (62, 2281820), (124, 1140910), (155, 912728), (248, 570455), (271, 522040), (310, 456364), (421, 336040), (542, 261020), (620, 228182), (842, 168020), (1084, 130510), (1240, 114091), (1355, 104408), (1684, 84010), (2105, 67208), (2168, 65255), (2710, 52204), (3368, 42005), (4210, 33604), (5420, 26102), (8401, 16840), (8420, 16802), (10840, 13051)]