420707612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1\times {\mathrm{487}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 817790400

約数和(自身を除く): 397082788

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 449, 481, 487, 898, 962, 974, 1796, 1924, 1948, 5837, 6331, 11674, 12662, 16613, 18019, 23348, 25324, 33226, 36038, 66452, 72076, 215969, 218663, 234247, 431938, 437326, 468494, 863876, 874652, 936988, 2842619, 5685238, 8090531, 11370476, 16181062, 32362124, 105176903, 210353806, 420707612]

約数ペア:

[(1, 420707612), (2, 210353806), (4, 105176903), (13, 32362124), (26, 16181062), (37, 11370476), (52, 8090531), (74, 5685238), (148, 2842619), (449, 936988), (481, 874652), (487, 863876), (898, 468494), (962, 437326), (974, 431938), (1796, 234247), (1924, 218663), (1948, 215969), (5837, 72076), (6331, 66452), (11674, 36038), (12662, 33226), (16613, 25324), (18019, 23348)]