261027870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{4357}}^1$

素因数の和:6364

約数の個数: 32

約数和(自身を含む): 626924448

約数和(自身を除く): 365896578

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1997, 3994, 4357, 5991, 8714, 9985, 11982, 13071, 19970, 21785, 26142, 29955, 43570, 59910, 65355, 130710, 8700929, 17401858, 26102787, 43504645, 52205574, 87009290, 130513935, 261027870]

約数ペア:

[(1, 261027870), (2, 130513935), (3, 87009290), (5, 52205574), (6, 43504645), (10, 26102787), (15, 17401858), (30, 8700929), (1997, 130710), (3994, 65355), (4357, 59910), (5991, 43570), (8714, 29955), (9985, 26142), (11982, 21785), (13071, 19970)]