12870340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 32864832

約数和(自身を除く): 19994492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 571, 644, 805, 980, 1127, 1142, 1610, 2254, 2284, 2855, 3220, 3997, 4508, 5635, 5710, 7994, 11270, 11420, 13133, 15988, 19985, 22540, 26266, 27979, 39970, 52532, 55958, 65665, 79940, 91931, 111916, 131330, 139895, 183862, 262660, 279790, 367724, 459655, 559580, 643517, 919310, 1287034, 1838620, 2574068, 3217585, 6435170, 12870340]

約数ペア:

[(1, 12870340), (2, 6435170), (4, 3217585), (5, 2574068), (7, 1838620), (10, 1287034), (14, 919310), (20, 643517), (23, 559580), (28, 459655), (35, 367724), (46, 279790), (49, 262660), (70, 183862), (92, 139895), (98, 131330), (115, 111916), (140, 91931), (161, 79940), (196, 65665), (230, 55958), (245, 52532), (322, 39970), (460, 27979), (490, 26266), (571, 22540), (644, 19985), (805, 15988), (980, 13133), (1127, 11420), (1142, 11270), (1610, 7994), (2254, 5710), (2284, 5635), (2855, 4508), (3220, 3997)]