279530360

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{61843}}^1$

素因数の和:61967

約数の個数: 32

約数和(自身を含む): 634519440

約数和(自身を除く): 354989080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 61843, 123686, 247372, 309215, 494744, 618430, 1236860, 2473720, 6988259, 13976518, 27953036, 34941295, 55906072, 69882590, 139765180, 279530360]

約数ペア:

[(1, 279530360), (2, 139765180), (4, 69882590), (5, 55906072), (8, 34941295), (10, 27953036), (20, 13976518), (40, 6988259), (113, 2473720), (226, 1236860), (452, 618430), (565, 494744), (904, 309215), (1130, 247372), (2260, 123686), (4520, 61843)]