40019910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1279}}^1$

素因数の和:1445

約数の個数: 64

約数和(自身を含む): 110592000

約数和(自身を除く): 70572090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 149, 210, 298, 447, 745, 894, 1043, 1279, 1490, 2086, 2235, 2558, 3129, 3837, 4470, 5215, 6258, 6395, 7674, 8953, 10430, 12790, 15645, 17906, 19185, 26859, 31290, 38370, 44765, 53718, 89530, 134295, 190571, 268590, 381142, 571713, 952855, 1143426, 1333997, 1905710, 2667994, 2858565, 4001991, 5717130, 6669985, 8003982, 13339970, 20009955, 40019910]

約数ペア:

[(1, 40019910), (2, 20009955), (3, 13339970), (5, 8003982), (6, 6669985), (7, 5717130), (10, 4001991), (14, 2858565), (15, 2667994), (21, 1905710), (30, 1333997), (35, 1143426), (42, 952855), (70, 571713), (105, 381142), (149, 268590), (210, 190571), (298, 134295), (447, 89530), (745, 53718), (894, 44765), (1043, 38370), (1279, 31290), (1490, 26859), (2086, 19185), (2235, 17906), (2558, 15645), (3129, 12790), (3837, 10430), (4470, 8953), (5215, 7674), (6258, 6395)]