281840475440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113645353}}^1$

素因数の和:113645397

約数の個数: 40

約数和(自身を含む): 676417147008

約数和(自身を除く): 394576671568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 113645353, 227290706, 454581412, 568226765, 909162824, 1136453530, 1818325648, 2272907060, 3523005943, 4545814120, 7046011886, 9091628240, 14092023772, 17615029715, 28184047544, 35230059430, 56368095088, 70460118860, 140920237720, 281840475440]

約数ペア:

[(1, 281840475440), (2, 140920237720), (4, 70460118860), (5, 56368095088), (8, 35230059430), (10, 28184047544), (16, 17615029715), (20, 14092023772), (31, 9091628240), (40, 7046011886), (62, 4545814120), (80, 3523005943), (124, 2272907060), (155, 1818325648), (248, 1136453530), (310, 909162824), (496, 568226765), (620, 454581412), (1240, 227290706), (2480, 113645353)]