2212218280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{24439}}^1$

素因数の和:24554

約数の個数: 64

約数和(自身を含む): 5208652800

約数和(自身を除く): 2996434520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 584, 620, 730, 1240, 1460, 2263, 2920, 4526, 9052, 11315, 18104, 22630, 24439, 45260, 48878, 90520, 97756, 122195, 195512, 244390, 488780, 757609, 977560, 1515218, 1784047, 3030436, 3568094, 3788045, 6060872, 7136188, 7576090, 8920235, 14272376, 15152180, 17840470, 30304360, 35680940, 55305457, 71361880, 110610914, 221221828, 276527285, 442443656, 553054570, 1106109140, 2212218280]

約数ペア:

[(1, 2212218280), (2, 1106109140), (4, 553054570), (5, 442443656), (8, 276527285), (10, 221221828), (20, 110610914), (31, 71361880), (40, 55305457), (62, 35680940), (73, 30304360), (124, 17840470), (146, 15152180), (155, 14272376), (248, 8920235), (292, 7576090), (310, 7136188), (365, 6060872), (584, 3788045), (620, 3568094), (730, 3030436), (1240, 1784047), (1460, 1515218), (2263, 977560), (2920, 757609), (4526, 488780), (9052, 244390), (11315, 195512), (18104, 122195), (22630, 97756), (24439, 90520), (45260, 48878)]