121465780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{887}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 263160576

約数和(自身を除く): 141694796

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 167, 205, 334, 410, 668, 820, 835, 887, 1670, 1774, 3340, 3548, 4435, 6847, 8870, 13694, 17740, 27388, 34235, 36367, 68470, 72734, 136940, 145468, 148129, 181835, 296258, 363670, 592516, 727340, 740645, 1481290, 2962580, 6073289, 12146578, 24293156, 30366445, 60732890, 121465780]

約数ペア:

[(1, 121465780), (2, 60732890), (4, 30366445), (5, 24293156), (10, 12146578), (20, 6073289), (41, 2962580), (82, 1481290), (164, 740645), (167, 727340), (205, 592516), (334, 363670), (410, 296258), (668, 181835), (820, 148129), (835, 145468), (887, 136940), (1670, 72734), (1774, 68470), (3340, 36367), (3548, 34235), (4435, 27388), (6847, 17740), (8870, 13694)]