664284670

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:487

約数の個数: 80

約数和(自身を含む): 1417754160

約数和(自身を除く): 753469490

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 146, 245, 343, 365, 379, 490, 511, 686, 730, 758, 1022, 1715, 1895, 2401, 2555, 2653, 3430, 3577, 3790, 4802, 5110, 5306, 7154, 12005, 13265, 17885, 18571, 24010, 25039, 26530, 27667, 35770, 37142, 50078, 55334, 92855, 125195, 129997, 138335, 175273, 185710, 193669, 250390, 259994, 276670, 350546, 387338, 649985, 876365, 909979, 968345, 1299970, 1355683, 1752730, 1819958, 1936690, 2711366, 4549895, 6778415, 9099790, 9489781, 13556830, 18979562, 47448905, 66428467, 94897810, 132856934, 332142335, 664284670]

約数ペア:

[(1, 664284670), (2, 332142335), (5, 132856934), (7, 94897810), (10, 66428467), (14, 47448905), (35, 18979562), (49, 13556830), (70, 9489781), (73, 9099790), (98, 6778415), (146, 4549895), (245, 2711366), (343, 1936690), (365, 1819958), (379, 1752730), (490, 1355683), (511, 1299970), (686, 968345), (730, 909979), (758, 876365), (1022, 649985), (1715, 387338), (1895, 350546), (2401, 276670), (2555, 259994), (2653, 250390), (3430, 193669), (3577, 185710), (3790, 175273), (4802, 138335), (5110, 129997), (5306, 125195), (7154, 92855), (12005, 55334), (13265, 50078), (17885, 37142), (18571, 35770), (24010, 27667), (25039, 26530)]