149710840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{220163}}^1$

素因数の和:220191

約数の個数: 32

約数和(自身を含む): 356665680

約数和(自身を除く): 206954840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 220163, 440326, 880652, 1100815, 1761304, 2201630, 3742771, 4403260, 7485542, 8806520, 14971084, 18713855, 29942168, 37427710, 74855420, 149710840]

約数ペア:

[(1, 149710840), (2, 74855420), (4, 37427710), (5, 29942168), (8, 18713855), (10, 14971084), (17, 8806520), (20, 7485542), (34, 4403260), (40, 3742771), (68, 2201630), (85, 1761304), (136, 1100815), (170, 880652), (340, 440326), (680, 220163)]