888966140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1\times {\mathrm{701}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 1885796640

約数和(自身を除く): 996830500

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 389, 652, 701, 778, 815, 1402, 1556, 1630, 1945, 2804, 3260, 3505, 3890, 7010, 7780, 14020, 63407, 114263, 126814, 228526, 253628, 272689, 317035, 457052, 545378, 571315, 634070, 1090756, 1142630, 1268140, 1363445, 2285260, 2726890, 5453780, 44448307, 88896614, 177793228, 222241535, 444483070, 888966140]

約数ペア:

[(1, 888966140), (2, 444483070), (4, 222241535), (5, 177793228), (10, 88896614), (20, 44448307), (163, 5453780), (326, 2726890), (389, 2285260), (652, 1363445), (701, 1268140), (778, 1142630), (815, 1090756), (1402, 634070), (1556, 571315), (1630, 545378), (1945, 457052), (2804, 317035), (3260, 272689), (3505, 253628), (3890, 228526), (7010, 126814), (7780, 114263), (14020, 63407)]