888923720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{364313}}^1$

素因数の和:364385

約数の個数: 32

約数和(自身を含む): 2032872120

約数和(自身を除く): 1143948400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 364313, 728626, 1457252, 1821565, 2914504, 3643130, 7286260, 14572520, 22223093, 44446186, 88892372, 111115465, 177784744, 222230930, 444461860, 888923720]

約数ペア:

[(1, 888923720), (2, 444461860), (4, 222230930), (5, 177784744), (8, 111115465), (10, 88892372), (20, 44446186), (40, 22223093), (61, 14572520), (122, 7286260), (244, 3643130), (305, 2914504), (488, 1821565), (610, 1457252), (1220, 728626), (2440, 364313)]