890115650

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{823}}^1$

素因数の和:1155

約数の個数: 48

約数和(自身を含む): 1682225664

約数和(自身を除く): 792110014

約数列:

[1, 2, 5, 10, 25, 50, 97, 194, 223, 446, 485, 823, 970, 1115, 1646, 2230, 2425, 4115, 4850, 5575, 8230, 11150, 20575, 21631, 41150, 43262, 79831, 108155, 159662, 183529, 216310, 367058, 399155, 540775, 798310, 917645, 1081550, 1835290, 1995775, 3991550, 4588225, 9176450, 17802313, 35604626, 89011565, 178023130, 445057825, 890115650]

約数ペア:

[(1, 890115650), (2, 445057825), (5, 178023130), (10, 89011565), (25, 35604626), (50, 17802313), (97, 9176450), (194, 4588225), (223, 3991550), (446, 1995775), (485, 1835290), (823, 1081550), (970, 917645), (1115, 798310), (1646, 540775), (2230, 399155), (2425, 367058), (4115, 216310), (4850, 183529), (5575, 159662), (8230, 108155), (11150, 79831), (20575, 43262), (21631, 41150)]