3399681640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1\times {\mathrm{1811}}^1$

素因数の和:2554

約数の個数: 64

約数和(自身を含む): 7773045120

約数和(自身を除く): 4373363480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 661, 710, 1322, 1420, 1811, 2644, 2840, 3305, 3622, 5288, 6610, 7244, 9055, 13220, 14488, 18110, 26440, 36220, 46931, 72440, 93862, 128581, 187724, 234655, 257162, 375448, 469310, 514324, 642905, 938620, 1028648, 1197071, 1285810, 1877240, 2394142, 2571620, 4788284, 5143240, 5985355, 9576568, 11970710, 23941420, 47882840, 84992041, 169984082, 339968164, 424960205, 679936328, 849920410, 1699840820, 3399681640]

約数ペア:

[(1, 3399681640), (2, 1699840820), (4, 849920410), (5, 679936328), (8, 424960205), (10, 339968164), (20, 169984082), (40, 84992041), (71, 47882840), (142, 23941420), (284, 11970710), (355, 9576568), (568, 5985355), (661, 5143240), (710, 4788284), (1322, 2571620), (1420, 2394142), (1811, 1877240), (2644, 1285810), (2840, 1197071), (3305, 1028648), (3622, 938620), (5288, 642905), (6610, 514324), (7244, 469310), (9055, 375448), (13220, 257162), (14488, 234655), (18110, 187724), (26440, 128581), (36220, 93862), (46931, 72440)]