12720241730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{743}}^1\times {\mathrm{34939}}^1$

素因数の和:35703

約数の個数: 48

約数和(自身を含む): 26671239360

約数和(自身を除く): 13950997630

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 743, 1486, 3715, 5201, 7430, 10402, 26005, 34939, 36407, 52010, 69878, 72814, 174695, 182035, 244573, 349390, 364070, 489146, 1222865, 1712011, 2445730, 3424022, 8560055, 17120110, 25959677, 51919354, 129798385, 181717739, 259596770, 363435478, 908588695, 1272024173, 1817177390, 2544048346, 6360120865, 12720241730]

約数ペア:

[(1, 12720241730), (2, 6360120865), (5, 2544048346), (7, 1817177390), (10, 1272024173), (14, 908588695), (35, 363435478), (49, 259596770), (70, 181717739), (98, 129798385), (245, 51919354), (490, 25959677), (743, 17120110), (1486, 8560055), (3715, 3424022), (5201, 2445730), (7430, 1712011), (10402, 1222865), (26005, 489146), (34939, 364070), (36407, 349390), (52010, 244573), (69878, 182035), (72814, 174695)]