679660030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 1441740672

約数和(自身を除く): 762080642

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 397, 518, 661, 794, 1295, 1322, 1985, 2590, 2779, 3305, 3970, 4627, 5558, 6610, 9254, 13895, 14689, 23135, 24457, 27790, 29378, 46270, 48914, 73445, 102823, 122285, 146890, 171199, 205646, 244570, 262417, 342398, 514115, 524834, 855995, 1028230, 1312085, 1711990, 1836919, 2624170, 3673838, 9184595, 9709429, 18369190, 19418858, 48547145, 67966003, 97094290, 135932006, 339830015, 679660030]

約数ペア:

[(1, 679660030), (2, 339830015), (5, 135932006), (7, 97094290), (10, 67966003), (14, 48547145), (35, 19418858), (37, 18369190), (70, 9709429), (74, 9184595), (185, 3673838), (259, 2624170), (370, 1836919), (397, 1711990), (518, 1312085), (661, 1028230), (794, 855995), (1295, 524834), (1322, 514115), (1985, 342398), (2590, 262417), (2779, 244570), (3305, 205646), (3970, 171199), (4627, 146890), (5558, 122285), (6610, 102823), (9254, 73445), (13895, 48914), (14689, 46270), (23135, 29378), (24457, 27790)]