42218680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1151}}^1$

素因数の和:1300

約数の個数: 64

約数和(自身を含む): 109486080

約数和(自身を除く): 67267400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1151, 1310, 1834, 2302, 2620, 3668, 4585, 4604, 5240, 5755, 7336, 8057, 9170, 9208, 11510, 16114, 18340, 23020, 32228, 36680, 40285, 46040, 64456, 80570, 150781, 161140, 301562, 322280, 603124, 753905, 1055467, 1206248, 1507810, 2110934, 3015620, 4221868, 5277335, 6031240, 8443736, 10554670, 21109340, 42218680]

約数ペア:

[(1, 42218680), (2, 21109340), (4, 10554670), (5, 8443736), (7, 6031240), (8, 5277335), (10, 4221868), (14, 3015620), (20, 2110934), (28, 1507810), (35, 1206248), (40, 1055467), (56, 753905), (70, 603124), (131, 322280), (140, 301562), (262, 161140), (280, 150781), (524, 80570), (655, 64456), (917, 46040), (1048, 40285), (1151, 36680), (1310, 32228), (1834, 23020), (2302, 18340), (2620, 16114), (3668, 11510), (4585, 9208), (4604, 9170), (5240, 8057), (5755, 7336)]