128516410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:763

約数の個数: 64

約数和(自身を含む): 267079680

約数和(自身を除く): 138563270

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 79, 110, 115, 158, 230, 253, 395, 506, 643, 790, 869, 1265, 1286, 1738, 1817, 2530, 3215, 3634, 4345, 6430, 7073, 8690, 9085, 14146, 14789, 18170, 19987, 29578, 35365, 39974, 50797, 70730, 73945, 99935, 101594, 147890, 162679, 199870, 253985, 325358, 507970, 558767, 813395, 1117534, 1168331, 1626790, 2336662, 2793835, 5587670, 5841655, 11683310, 12851641, 25703282, 64258205, 128516410]

約数ペア:

[(1, 128516410), (2, 64258205), (5, 25703282), (10, 12851641), (11, 11683310), (22, 5841655), (23, 5587670), (46, 2793835), (55, 2336662), (79, 1626790), (110, 1168331), (115, 1117534), (158, 813395), (230, 558767), (253, 507970), (395, 325358), (506, 253985), (643, 199870), (790, 162679), (869, 147890), (1265, 101594), (1286, 99935), (1738, 73945), (1817, 70730), (2530, 50797), (3215, 39974), (3634, 35365), (4345, 29578), (6430, 19987), (7073, 18170), (8690, 14789), (9085, 14146)]