427058840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{5231}}^1$

素因数の和:5412

約数の個数: 64

約数和(自身を含む): 1041586560

約数和(自身を除く): 614527720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 1256, 1570, 2041, 3140, 4082, 5231, 6280, 8164, 10205, 10462, 16328, 20410, 20924, 26155, 40820, 41848, 52310, 68003, 81640, 104620, 136006, 209240, 272012, 340015, 544024, 680030, 821267, 1360060, 1642534, 2720120, 3285068, 4106335, 6570136, 8212670, 10676471, 16425340, 21352942, 32850680, 42705884, 53382355, 85411768, 106764710, 213529420, 427058840]

約数ペア:

[(1, 427058840), (2, 213529420), (4, 106764710), (5, 85411768), (8, 53382355), (10, 42705884), (13, 32850680), (20, 21352942), (26, 16425340), (40, 10676471), (52, 8212670), (65, 6570136), (104, 4106335), (130, 3285068), (157, 2720120), (260, 1642534), (314, 1360060), (520, 821267), (628, 680030), (785, 544024), (1256, 340015), (1570, 272012), (2041, 209240), (3140, 136006), (4082, 104620), (5231, 81640), (6280, 68003), (8164, 52310), (10205, 41848), (10462, 40820), (16328, 26155), (20410, 20924)]