81427010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 174009600

約数和(自身を除く): 92582590

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 149, 185, 211, 259, 298, 370, 422, 518, 745, 1043, 1055, 1295, 1477, 1490, 2086, 2110, 2590, 2954, 5215, 5513, 7385, 7807, 10430, 11026, 14770, 15614, 27565, 31439, 38591, 39035, 54649, 55130, 62878, 77182, 78070, 109298, 157195, 192955, 220073, 273245, 314390, 385910, 440146, 546490, 1100365, 1163243, 2200730, 2326486, 5816215, 8142701, 11632430, 16285402, 40713505, 81427010]

約数ペア:

[(1, 81427010), (2, 40713505), (5, 16285402), (7, 11632430), (10, 8142701), (14, 5816215), (35, 2326486), (37, 2200730), (70, 1163243), (74, 1100365), (149, 546490), (185, 440146), (211, 385910), (259, 314390), (298, 273245), (370, 220073), (422, 192955), (518, 157195), (745, 109298), (1043, 78070), (1055, 77182), (1295, 62878), (1477, 55130), (1490, 54649), (2086, 39035), (2110, 38591), (2590, 31439), (2954, 27565), (5215, 15614), (5513, 14770), (7385, 11026), (7807, 10430)]