890472595

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 1120204800

約数和(自身を除く): 229732205

約数列:

[1, 5, 43, 79, 103, 215, 395, 509, 515, 2545, 3397, 4429, 8137, 16985, 21887, 22145, 40211, 40685, 52427, 109435, 201055, 262135, 349891, 1729073, 1749455, 2254361, 4141733, 8645365, 11271805, 20708665, 178094519, 890472595]

約数ペア:

[(1, 890472595), (5, 178094519), (43, 20708665), (79, 11271805), (103, 8645365), (215, 4141733), (395, 2254361), (509, 1749455), (515, 1729073), (2545, 349891), (3397, 262135), (4429, 201055), (8137, 109435), (16985, 52427), (21887, 40685), (22145, 40211)]