157991820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{376171}}^1$

素因数の和:376190

約数の個数: 48

約数和(自身を含む): 505575168

約数和(自身を除く): 347583348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 376171, 752342, 1128513, 1504684, 1880855, 2257026, 2633197, 3761710, 4514052, 5266394, 5642565, 7523420, 7899591, 10532788, 11285130, 13165985, 15799182, 22570260, 26331970, 31598364, 39497955, 52663940, 78995910, 157991820]

約数ペア:

[(1, 157991820), (2, 78995910), (3, 52663940), (4, 39497955), (5, 31598364), (6, 26331970), (7, 22570260), (10, 15799182), (12, 13165985), (14, 11285130), (15, 10532788), (20, 7899591), (21, 7523420), (28, 5642565), (30, 5266394), (35, 4514052), (42, 3761710), (60, 2633197), (70, 2257026), (84, 1880855), (105, 1504684), (140, 1128513), (210, 752342), (420, 376171)]