397788554020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139086907}}^1$

素因数の和:139086940

約数の個数: 48

約数和(自身を含む): 981397222848

約数和(自身を除く): 583608668828

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 139086907, 278173814, 556347628, 695434535, 1390869070, 1529955977, 1808129791, 2781738140, 3059911954, 3616259582, 6119823908, 7232519164, 7649779885, 9040648955, 15299559770, 18081297910, 19889427701, 30599119540, 36162595820, 39778855402, 79557710804, 99447138505, 198894277010, 397788554020]

約数ペア:

[(1, 397788554020), (2, 198894277010), (4, 99447138505), (5, 79557710804), (10, 39778855402), (11, 36162595820), (13, 30599119540), (20, 19889427701), (22, 18081297910), (26, 15299559770), (44, 9040648955), (52, 7649779885), (55, 7232519164), (65, 6119823908), (110, 3616259582), (130, 3059911954), (143, 2781738140), (220, 1808129791), (260, 1529955977), (286, 1390869070), (572, 695434535), (715, 556347628), (1430, 278173814), (2860, 139086907)]