90979670

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 178113600

約数和(自身を除く): 87133930

約数列:

[1, 2, 5, 10, 29, 37, 58, 61, 74, 122, 139, 145, 185, 278, 290, 305, 370, 610, 695, 1073, 1390, 1769, 2146, 2257, 3538, 4031, 4514, 5143, 5365, 8062, 8479, 8845, 10286, 10730, 11285, 16958, 17690, 20155, 22570, 25715, 40310, 42395, 51430, 65453, 84790, 130906, 149147, 245891, 298294, 313723, 327265, 491782, 627446, 654530, 745735, 1229455, 1491470, 1568615, 2458910, 3137230, 9097967, 18195934, 45489835, 90979670]

約数ペア:

[(1, 90979670), (2, 45489835), (5, 18195934), (10, 9097967), (29, 3137230), (37, 2458910), (58, 1568615), (61, 1491470), (74, 1229455), (122, 745735), (139, 654530), (145, 627446), (185, 491782), (278, 327265), (290, 313723), (305, 298294), (370, 245891), (610, 149147), (695, 130906), (1073, 84790), (1390, 65453), (1769, 51430), (2146, 42395), (2257, 40310), (3538, 25715), (4031, 22570), (4514, 20155), (5143, 17690), (5365, 16958), (8062, 11285), (8479, 10730), (8845, 10286)]