220323320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5281}}^1$

素因数の和:5448

約数の個数: 64

約数和(自身を含む): 570456000

約数和(自身を除く): 350132680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5281, 5960, 8344, 10430, 10562, 20860, 21124, 26405, 36967, 41720, 42248, 52810, 73934, 105620, 147868, 184835, 211240, 295736, 369670, 739340, 786869, 1478680, 1573738, 3147476, 3934345, 5508083, 6294952, 7868690, 11016166, 15737380, 22032332, 27540415, 31474760, 44064664, 55080830, 110161660, 220323320]

約数ペア:

[(1, 220323320), (2, 110161660), (4, 55080830), (5, 44064664), (7, 31474760), (8, 27540415), (10, 22032332), (14, 15737380), (20, 11016166), (28, 7868690), (35, 6294952), (40, 5508083), (56, 3934345), (70, 3147476), (140, 1573738), (149, 1478680), (280, 786869), (298, 739340), (596, 369670), (745, 295736), (1043, 211240), (1192, 184835), (1490, 147868), (2086, 105620), (2980, 73934), (4172, 52810), (5215, 42248), (5281, 41720), (5960, 36967), (8344, 26405), (10430, 21124), (10562, 20860)]