404260020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2245889}}^1$

素因数の和:2245904

約数の個数: 36

約数和(自身を含む): 1226255940

約数和(自身を除く): 821995920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2245889, 4491778, 6737667, 8983556, 11229445, 13475334, 20213001, 22458890, 26950668, 33688335, 40426002, 44917780, 67376670, 80852004, 101065005, 134753340, 202130010, 404260020]

約数ペア:

[(1, 404260020), (2, 202130010), (3, 134753340), (4, 101065005), (5, 80852004), (6, 67376670), (9, 44917780), (10, 40426002), (12, 33688335), (15, 26950668), (18, 22458890), (20, 20213001), (30, 13475334), (36, 11229445), (45, 8983556), (60, 6737667), (90, 4491778), (180, 2245889)]