2600007620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{64709}}^1$

素因数の和:64773

約数の個数: 72

約数和(自身を含む): 6506461080

約数和(自身を除く): 3906453460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 5740, 8036, 10045, 20090, 40180, 64709, 129418, 258836, 323545, 452963, 647090, 905926, 1294180, 1811852, 2264815, 2653069, 3170741, 4529630, 5306138, 6341482, 9059260, 10612276, 12682964, 13265345, 15853705, 18571483, 26530690, 31707410, 37142966, 53061380, 63414820, 74285932, 92857415, 130000381, 185714830, 260000762, 371429660, 520001524, 650001905, 1300003810, 2600007620]

約数ペア:

[(1, 2600007620), (2, 1300003810), (4, 650001905), (5, 520001524), (7, 371429660), (10, 260000762), (14, 185714830), (20, 130000381), (28, 92857415), (35, 74285932), (41, 63414820), (49, 53061380), (70, 37142966), (82, 31707410), (98, 26530690), (140, 18571483), (164, 15853705), (196, 13265345), (205, 12682964), (245, 10612276), (287, 9059260), (410, 6341482), (490, 5306138), (574, 4529630), (820, 3170741), (980, 2653069), (1148, 2264815), (1435, 1811852), (2009, 1294180), (2870, 905926), (4018, 647090), (5740, 452963), (8036, 323545), (10045, 258836), (20090, 129418), (40180, 64709)]