1406572420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 3275104896

約数和(自身を除く): 1868532476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 193, 211, 220, 314, 386, 422, 628, 772, 785, 844, 965, 1055, 1570, 1727, 1930, 2110, 2123, 2321, 3140, 3454, 3860, 4220, 4246, 4642, 6908, 8492, 8635, 9284, 10615, 11605, 17270, 21230, 23210, 30301, 33127, 34540, 40723, 42460, 46420, 60602, 66254, 81446, 121204, 132508, 151505, 162892, 165635, 203615, 303010, 331270, 333311, 364397, 407230, 447953, 606020, 662540, 666622, 728794, 814460, 895906, 1333244, 1457588, 1666555, 1791812, 1821985, 2239765, 3333110, 3643970, 4479530, 6393511, 6666220, 7287940, 8959060, 12787022, 25574044, 31967555, 63935110, 70328621, 127870220, 140657242, 281314484, 351643105, 703286210, 1406572420]

約数ペア:

[(1, 1406572420), (2, 703286210), (4, 351643105), (5, 281314484), (10, 140657242), (11, 127870220), (20, 70328621), (22, 63935110), (44, 31967555), (55, 25574044), (110, 12787022), (157, 8959060), (193, 7287940), (211, 6666220), (220, 6393511), (314, 4479530), (386, 3643970), (422, 3333110), (628, 2239765), (772, 1821985), (785, 1791812), (844, 1666555), (965, 1457588), (1055, 1333244), (1570, 895906), (1727, 814460), (1930, 728794), (2110, 666622), (2123, 662540), (2321, 606020), (3140, 447953), (3454, 407230), (3860, 364397), (4220, 333311), (4246, 331270), (4642, 303010), (6908, 203615), (8492, 165635), (8635, 162892), (9284, 151505), (10615, 132508), (11605, 121204), (17270, 81446), (21230, 66254), (23210, 60602), (30301, 46420), (33127, 42460), (34540, 40723)]