157502020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31883}}^1$

素因数の和:31924

約数の個数: 48

約数和(自身を含む): 374955840

約数和(自身を除く): 217453820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 31883, 63766, 127532, 159415, 318830, 414479, 605777, 637660, 828958, 1211554, 1657916, 2072395, 2423108, 3028885, 4144790, 6057770, 7875101, 8289580, 12115540, 15750202, 31500404, 39375505, 78751010, 157502020]

約数ペア:

[(1, 157502020), (2, 78751010), (4, 39375505), (5, 31500404), (10, 15750202), (13, 12115540), (19, 8289580), (20, 7875101), (26, 6057770), (38, 4144790), (52, 3028885), (65, 2423108), (76, 2072395), (95, 1657916), (130, 1211554), (190, 828958), (247, 637660), (260, 605777), (380, 414479), (494, 318830), (988, 159415), (1235, 127532), (2470, 63766), (4940, 31883)]