121214300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 279565440

約数和(自身を除く): 158351140

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 131, 190, 262, 380, 475, 487, 524, 655, 950, 974, 1310, 1900, 1948, 2435, 2489, 2620, 3275, 4870, 4978, 6550, 9253, 9740, 9956, 12175, 12445, 13100, 18506, 24350, 24890, 37012, 46265, 48700, 49780, 62225, 63797, 92530, 124450, 127594, 185060, 231325, 248900, 255188, 318985, 462650, 637970, 925300, 1212143, 1275940, 1594925, 2424286, 3189850, 4848572, 6060715, 6379700, 12121430, 24242860, 30303575, 60607150, 121214300]

約数ペア:

[(1, 121214300), (2, 60607150), (4, 30303575), (5, 24242860), (10, 12121430), (19, 6379700), (20, 6060715), (25, 4848572), (38, 3189850), (50, 2424286), (76, 1594925), (95, 1275940), (100, 1212143), (131, 925300), (190, 637970), (262, 462650), (380, 318985), (475, 255188), (487, 248900), (524, 231325), (655, 185060), (950, 127594), (974, 124450), (1310, 92530), (1900, 63797), (1948, 62225), (2435, 49780), (2489, 48700), (2620, 46265), (3275, 37012), (4870, 24890), (4978, 24350), (6550, 18506), (9253, 13100), (9740, 12445), (9956, 12175)]