877702990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{15401}}^1$

素因数の和:15588

約数の個数: 32

約数和(自身を含む): 1630147680

約数和(自身を除く): 752444690

約数列:

[1, 2, 5, 10, 41, 82, 139, 205, 278, 410, 695, 1390, 5699, 11398, 15401, 28495, 30802, 56990, 77005, 154010, 631441, 1262882, 2140739, 3157205, 4281478, 6314410, 10703695, 21407390, 87770299, 175540598, 438851495, 877702990]

約数ペア:

[(1, 877702990), (2, 438851495), (5, 175540598), (10, 87770299), (41, 21407390), (82, 10703695), (139, 6314410), (205, 4281478), (278, 3157205), (410, 2140739), (695, 1262882), (1390, 631441), (5699, 154010), (11398, 77005), (15401, 56990), (28495, 30802)]