121075400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^2\times {\mathrm{97}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 288047970

約数和(自身を除く): 166972570

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 97, 100, 158, 194, 200, 316, 388, 395, 485, 632, 776, 790, 970, 1580, 1940, 1975, 2425, 3160, 3880, 3950, 4850, 6241, 7663, 7900, 9700, 12482, 15326, 15800, 19400, 24964, 30652, 31205, 38315, 49928, 61304, 62410, 76630, 124820, 153260, 156025, 191575, 249640, 306520, 312050, 383150, 605377, 624100, 766300, 1210754, 1248200, 1532600, 2421508, 3026885, 4843016, 6053770, 12107540, 15134425, 24215080, 30268850, 60537700, 121075400]

約数ペア:

[(1, 121075400), (2, 60537700), (4, 30268850), (5, 24215080), (8, 15134425), (10, 12107540), (20, 6053770), (25, 4843016), (40, 3026885), (50, 2421508), (79, 1532600), (97, 1248200), (100, 1210754), (158, 766300), (194, 624100), (200, 605377), (316, 383150), (388, 312050), (395, 306520), (485, 249640), (632, 191575), (776, 156025), (790, 153260), (970, 124820), (1580, 76630), (1940, 62410), (1975, 61304), (2425, 49928), (3160, 38315), (3880, 31205), (3950, 30652), (4850, 24964), (6241, 19400), (7663, 15800), (7900, 15326), (9700, 12482)]