1390267660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{5801}}^1$

素因数の和:6354

約数の個数: 48

約数和(自身を含む): 3052873152

約数和(自身を除く): 1662605492

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 521, 1042, 2084, 2605, 5210, 5801, 10420, 11602, 11983, 23204, 23966, 29005, 47932, 58010, 59915, 116020, 119830, 133423, 239660, 266846, 533692, 667115, 1334230, 2668460, 3022321, 6044642, 12089284, 15111605, 30223210, 60446420, 69513383, 139026766, 278053532, 347566915, 695133830, 1390267660]

約数ペア:

[(1, 1390267660), (2, 695133830), (4, 347566915), (5, 278053532), (10, 139026766), (20, 69513383), (23, 60446420), (46, 30223210), (92, 15111605), (115, 12089284), (230, 6044642), (460, 3022321), (521, 2668460), (1042, 1334230), (2084, 667115), (2605, 533692), (5210, 266846), (5801, 239660), (10420, 133423), (11602, 119830), (11983, 116020), (23204, 59915), (23966, 58010), (29005, 47932)]