319897604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^2$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 656019840

約数和(自身を除く): 336122236

約数列:

[1, 2, 4, 13, 19, 26, 38, 47, 52, 76, 83, 94, 166, 188, 247, 332, 494, 611, 893, 988, 1079, 1222, 1577, 1786, 2158, 2444, 3154, 3572, 3901, 4316, 6308, 6889, 7802, 11609, 13778, 15604, 20501, 23218, 27556, 41002, 46436, 50713, 74119, 82004, 89557, 101426, 130891, 148238, 179114, 202852, 261782, 296476, 323783, 358228, 523564, 647566, 963547, 1295132, 1701583, 1927094, 3403166, 3854188, 4209179, 6151877, 6806332, 8418358, 12303754, 16836716, 24607508, 79974401, 159948802, 319897604]

約数ペア:

[(1, 319897604), (2, 159948802), (4, 79974401), (13, 24607508), (19, 16836716), (26, 12303754), (38, 8418358), (47, 6806332), (52, 6151877), (76, 4209179), (83, 3854188), (94, 3403166), (166, 1927094), (188, 1701583), (247, 1295132), (332, 963547), (494, 647566), (611, 523564), (893, 358228), (988, 323783), (1079, 296476), (1222, 261782), (1577, 202852), (1786, 179114), (2158, 148238), (2444, 130891), (3154, 101426), (3572, 89557), (3901, 82004), (4316, 74119), (6308, 50713), (6889, 46436), (7802, 41002), (11609, 27556), (13778, 23218), (15604, 20501)]