201454940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{2707}}^1$

素因数の和:2838

約数の個数: 36

約数和(自身を含む): 430263288

約数和(自身を除く): 228808348

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2707, 3721, 5414, 7442, 10828, 13535, 14884, 18605, 27070, 37210, 54140, 74420, 165127, 330254, 660508, 825635, 1651270, 3302540, 10072747, 20145494, 40290988, 50363735, 100727470, 201454940]

約数ペア:

[(1, 201454940), (2, 100727470), (4, 50363735), (5, 40290988), (10, 20145494), (20, 10072747), (61, 3302540), (122, 1651270), (244, 825635), (305, 660508), (610, 330254), (1220, 165127), (2707, 74420), (3721, 54140), (5414, 37210), (7442, 27070), (10828, 18605), (13535, 14884)]