420492078

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:606

約数の個数: 72

約数和(自身を含む): 969876648

約数和(自身を除く): 549384570

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 163, 171, 326, 342, 361, 397, 489, 722, 794, 978, 1083, 1191, 1467, 2166, 2382, 2934, 3097, 3249, 3573, 6194, 6498, 7146, 7543, 9291, 15086, 18582, 22629, 27873, 45258, 55746, 58843, 64711, 67887, 117686, 129422, 135774, 143317, 176529, 194133, 286634, 353058, 388266, 429951, 529587, 582399, 859902, 1059174, 1164798, 1229509, 1289853, 2459018, 2579706, 3688527, 7377054, 11065581, 22131162, 23360671, 46721342, 70082013, 140164026, 210246039, 420492078]

約数ペア:

[(1, 420492078), (2, 210246039), (3, 140164026), (6, 70082013), (9, 46721342), (18, 23360671), (19, 22131162), (38, 11065581), (57, 7377054), (114, 3688527), (163, 2579706), (171, 2459018), (326, 1289853), (342, 1229509), (361, 1164798), (397, 1059174), (489, 859902), (722, 582399), (794, 529587), (978, 429951), (1083, 388266), (1191, 353058), (1467, 286634), (2166, 194133), (2382, 176529), (2934, 143317), (3097, 135774), (3249, 129422), (3573, 117686), (6194, 67887), (6498, 64711), (7146, 58843), (7543, 55746), (9291, 45258), (15086, 27873), (18582, 22629)]