40872860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 100835280

約数和(自身を除く): 59962420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 233, 245, 358, 466, 490, 716, 895, 932, 980, 1165, 1253, 1631, 1790, 2330, 2506, 3262, 3580, 4660, 5012, 6265, 6524, 8155, 8771, 11417, 12530, 16310, 17542, 22834, 25060, 32620, 35084, 41707, 43855, 45668, 57085, 83414, 87710, 114170, 166828, 175420, 208535, 228340, 291949, 417070, 583898, 834140, 1167796, 1459745, 2043643, 2919490, 4087286, 5838980, 8174572, 10218215, 20436430, 40872860]

約数ペア:

[(1, 40872860), (2, 20436430), (4, 10218215), (5, 8174572), (7, 5838980), (10, 4087286), (14, 2919490), (20, 2043643), (28, 1459745), (35, 1167796), (49, 834140), (70, 583898), (98, 417070), (140, 291949), (179, 228340), (196, 208535), (233, 175420), (245, 166828), (358, 114170), (466, 87710), (490, 83414), (716, 57085), (895, 45668), (932, 43855), (980, 41707), (1165, 35084), (1253, 32620), (1631, 25060), (1790, 22834), (2330, 17542), (2506, 16310), (3262, 12530), (3580, 11417), (4660, 8771), (5012, 8155), (6265, 6524)]