898040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 2388960

約数和(自身を除く): 1490920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 157, 220, 260, 286, 314, 440, 520, 572, 628, 715, 785, 1144, 1256, 1430, 1570, 1727, 2041, 2860, 3140, 3454, 4082, 5720, 6280, 6908, 8164, 8635, 10205, 13816, 16328, 17270, 20410, 22451, 34540, 40820, 44902, 69080, 81640, 89804, 112255, 179608, 224510, 449020, 898040]

約数ペア:

[(1, 898040), (2, 449020), (4, 224510), (5, 179608), (8, 112255), (10, 89804), (11, 81640), (13, 69080), (20, 44902), (22, 40820), (26, 34540), (40, 22451), (44, 20410), (52, 17270), (55, 16328), (65, 13816), (88, 10205), (104, 8635), (110, 8164), (130, 6908), (143, 6280), (157, 5720), (220, 4082), (260, 3454), (286, 3140), (314, 2860), (440, 2041), (520, 1727), (572, 1570), (628, 1430), (715, 1256), (785, 1144)]