79137940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3511}}^1$

素因数の和:3557

約数の個数: 72

約数和(自身を含む): 201785472

約数和(自身を除く): 122647532

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, 644, 805, 980, 1127, 1610, 2254, 3220, 3511, 4508, 5635, 7022, 11270, 14044, 17555, 22540, 24577, 35110, 49154, 70220, 80753, 98308, 122885, 161506, 172039, 245770, 323012, 344078, 403765, 491540, 565271, 688156, 807530, 860195, 1130542, 1615060, 1720390, 2261084, 2826355, 3440780, 3956897, 5652710, 7913794, 11305420, 15827588, 19784485, 39568970, 79137940]

約数ペア:

[(1, 79137940), (2, 39568970), (4, 19784485), (5, 15827588), (7, 11305420), (10, 7913794), (14, 5652710), (20, 3956897), (23, 3440780), (28, 2826355), (35, 2261084), (46, 1720390), (49, 1615060), (70, 1130542), (92, 860195), (98, 807530), (115, 688156), (140, 565271), (161, 491540), (196, 403765), (230, 344078), (245, 323012), (322, 245770), (460, 172039), (490, 161506), (644, 122885), (805, 98308), (980, 80753), (1127, 70220), (1610, 49154), (2254, 35110), (3220, 24577), (3511, 22540), (4508, 17555), (5635, 14044), (7022, 11270)]