309968350

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 590587200

約数和(自身を除く): 280618850

約数列:

[1, 2, 5, 10, 25, 50, 79, 97, 158, 194, 395, 485, 790, 809, 970, 1618, 1975, 2425, 3950, 4045, 4850, 7663, 8090, 15326, 20225, 38315, 40450, 63911, 76630, 78473, 127822, 156946, 191575, 319555, 383150, 392365, 639110, 784730, 1597775, 1961825, 3195550, 3923650, 6199367, 12398734, 30996835, 61993670, 154984175, 309968350]

約数ペア:

[(1, 309968350), (2, 154984175), (5, 61993670), (10, 30996835), (25, 12398734), (50, 6199367), (79, 3923650), (97, 3195550), (158, 1961825), (194, 1597775), (395, 784730), (485, 639110), (790, 392365), (809, 383150), (970, 319555), (1618, 191575), (1975, 156946), (2425, 127822), (3950, 78473), (4045, 76630), (4850, 63911), (7663, 40450), (8090, 38315), (15326, 20225)]