55420870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 105814080

約数和(自身を除く): 50393210

約数列:

[1, 2, 5, 10, 31, 62, 73, 79, 146, 155, 158, 310, 365, 395, 730, 790, 961, 1922, 2263, 2449, 4526, 4805, 4898, 5767, 9610, 11315, 11534, 12245, 22630, 24490, 28835, 57670, 70153, 75919, 140306, 151838, 178777, 350765, 357554, 379595, 701530, 759190, 893885, 1787770, 5542087, 11084174, 27710435, 55420870]

約数ペア:

[(1, 55420870), (2, 27710435), (5, 11084174), (10, 5542087), (31, 1787770), (62, 893885), (73, 759190), (79, 701530), (146, 379595), (155, 357554), (158, 350765), (310, 178777), (365, 151838), (395, 140306), (730, 75919), (790, 70153), (961, 57670), (1922, 28835), (2263, 24490), (2449, 22630), (4526, 12245), (4805, 11534), (4898, 11315), (5767, 9610)]