339737680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{136991}}^1$

素因数の和:137035

約数の個数: 40

約数和(自身を含む): 815376384

約数和(自身を除く): 475638704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 136991, 273982, 547964, 684955, 1095928, 1369910, 2191856, 2739820, 4246721, 5479640, 8493442, 10959280, 16986884, 21233605, 33973768, 42467210, 67947536, 84934420, 169868840, 339737680]

約数ペア:

[(1, 339737680), (2, 169868840), (4, 84934420), (5, 67947536), (8, 42467210), (10, 33973768), (16, 21233605), (20, 16986884), (31, 10959280), (40, 8493442), (62, 5479640), (80, 4246721), (124, 2739820), (155, 2191856), (248, 1369910), (310, 1095928), (496, 684955), (620, 547964), (1240, 273982), (2480, 136991)]