493292380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{49627}}^1$

素因数の和:49714

約数の個数: 48

約数和(自身を含む): 1200600576

約数和(自身を除く): 707308196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 49627, 99254, 198508, 248135, 347389, 496270, 694778, 992540, 1389556, 1736945, 3473890, 3523517, 6947780, 7047034, 14094068, 17617585, 24664619, 35235170, 49329238, 70470340, 98658476, 123323095, 246646190, 493292380]

約数ペア:

[(1, 493292380), (2, 246646190), (4, 123323095), (5, 98658476), (7, 70470340), (10, 49329238), (14, 35235170), (20, 24664619), (28, 17617585), (35, 14094068), (70, 7047034), (71, 6947780), (140, 3523517), (142, 3473890), (284, 1736945), (355, 1389556), (497, 992540), (710, 694778), (994, 496270), (1420, 347389), (1988, 248135), (2485, 198508), (4970, 99254), (9940, 49627)]