456680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{233}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 1200420

約数和(自身を除く): 743740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 233, 245, 280, 392, 466, 490, 932, 980, 1165, 1631, 1864, 1960, 2330, 3262, 4660, 6524, 8155, 9320, 11417, 13048, 16310, 22834, 32620, 45668, 57085, 65240, 91336, 114170, 228340, 456680]

約数ペア:

[(1, 456680), (2, 228340), (4, 114170), (5, 91336), (7, 65240), (8, 57085), (10, 45668), (14, 32620), (20, 22834), (28, 16310), (35, 13048), (40, 11417), (49, 9320), (56, 8155), (70, 6524), (98, 4660), (140, 3262), (196, 2330), (233, 1960), (245, 1864), (280, 1631), (392, 1165), (466, 980), (490, 932)]