90010060

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13121}}^1$

素因数の和:13151

約数の個数: 48

約数和(自身を含む): 220449600

約数和(自身を除く): 130439540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 13121, 26242, 52484, 65605, 91847, 131210, 183694, 262420, 367388, 459235, 642929, 918470, 1285858, 1836940, 2571716, 3214645, 4500503, 6429290, 9001006, 12858580, 18002012, 22502515, 45005030, 90010060]

約数ペア:

[(1, 90010060), (2, 45005030), (4, 22502515), (5, 18002012), (7, 12858580), (10, 9001006), (14, 6429290), (20, 4500503), (28, 3214645), (35, 2571716), (49, 1836940), (70, 1285858), (98, 918470), (140, 642929), (196, 459235), (245, 367388), (343, 262420), (490, 183694), (686, 131210), (980, 91847), (1372, 65605), (1715, 52484), (3430, 26242), (6860, 13121)]