628805940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20509}}^1$

素因数の和:20601

約数の個数: 96

約数和(自身を含む): 2039842560

約数和(自身を除く): 1411036620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 730, 876, 1022, 1095, 1460, 1533, 2044, 2190, 2555, 3066, 4380, 5110, 6132, 7665, 10220, 15330, 20509, 30660, 41018, 61527, 82036, 102545, 123054, 143563, 205090, 246108, 287126, 307635, 410180, 430689, 574252, 615270, 717815, 861378, 1230540, 1435630, 1497157, 1722756, 2153445, 2871260, 2994314, 4306890, 4491471, 5988628, 7485785, 8613780, 8982942, 10480099, 14971570, 17965884, 20960198, 22457355, 29943140, 31440297, 41920396, 44914710, 52400495, 62880594, 89829420, 104800990, 125761188, 157201485, 209601980, 314402970, 628805940]

約数ペア:

[(1, 628805940), (2, 314402970), (3, 209601980), (4, 157201485), (5, 125761188), (6, 104800990), (7, 89829420), (10, 62880594), (12, 52400495), (14, 44914710), (15, 41920396), (20, 31440297), (21, 29943140), (28, 22457355), (30, 20960198), (35, 17965884), (42, 14971570), (60, 10480099), (70, 8982942), (73, 8613780), (84, 7485785), (105, 5988628), (140, 4491471), (146, 4306890), (210, 2994314), (219, 2871260), (292, 2153445), (365, 1722756), (420, 1497157), (438, 1435630), (511, 1230540), (730, 861378), (876, 717815), (1022, 615270), (1095, 574252), (1460, 430689), (1533, 410180), (2044, 307635), (2190, 287126), (2555, 246108), (3066, 205090), (4380, 143563), (5110, 123054), (6132, 102545), (7665, 82036), (10220, 61527), (15330, 41018), (20509, 30660)]