668492060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{1993}}^1$

素因数の和:2574

約数の個数: 48

約数和(自身を含む): 1452525312

約数和(自身を除く): 784033252

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 541, 620, 1082, 1993, 2164, 2705, 3986, 5410, 7972, 9965, 10820, 16771, 19930, 33542, 39860, 61783, 67084, 83855, 123566, 167710, 247132, 308915, 335420, 617830, 1078213, 1235660, 2156426, 4312852, 5391065, 10782130, 21564260, 33424603, 66849206, 133698412, 167123015, 334246030, 668492060]

約数ペア:

[(1, 668492060), (2, 334246030), (4, 167123015), (5, 133698412), (10, 66849206), (20, 33424603), (31, 21564260), (62, 10782130), (124, 5391065), (155, 4312852), (310, 2156426), (541, 1235660), (620, 1078213), (1082, 617830), (1993, 335420), (2164, 308915), (2705, 247132), (3986, 167710), (5410, 123566), (7972, 83855), (9965, 67084), (10820, 61783), (16771, 39860), (19930, 33542)]