28392280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3271}}^1$

素因数の和:3320

約数の個数: 64

約数和(自身を含む): 75386880

約数和(自身を除く): 46994600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 3271, 4340, 6542, 8680, 13084, 16355, 22897, 26168, 32710, 45794, 65420, 91588, 101401, 114485, 130840, 183176, 202802, 228970, 405604, 457940, 507005, 709807, 811208, 915880, 1014010, 1419614, 2028020, 2839228, 3549035, 4056040, 5678456, 7098070, 14196140, 28392280]

約数ペア:

[(1, 28392280), (2, 14196140), (4, 7098070), (5, 5678456), (7, 4056040), (8, 3549035), (10, 2839228), (14, 2028020), (20, 1419614), (28, 1014010), (31, 915880), (35, 811208), (40, 709807), (56, 507005), (62, 457940), (70, 405604), (124, 228970), (140, 202802), (155, 183176), (217, 130840), (248, 114485), (280, 101401), (310, 91588), (434, 65420), (620, 45794), (868, 32710), (1085, 26168), (1240, 22897), (1736, 16355), (2170, 13084), (3271, 8680), (4340, 6542)]