79989700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 199640000

約数和(自身を除く): 119650300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 229, 350, 458, 499, 700, 916, 998, 1145, 1603, 1996, 2290, 2495, 3206, 3493, 4580, 4990, 5725, 6412, 6986, 8015, 9980, 11450, 12475, 13972, 16030, 17465, 22900, 24950, 32060, 34930, 40075, 49900, 69860, 80150, 87325, 114271, 160300, 174650, 228542, 349300, 457084, 571355, 799897, 1142710, 1599794, 2285420, 2856775, 3199588, 3999485, 5713550, 7998970, 11427100, 15997940, 19997425, 39994850, 79989700]

約数ペア:

[(1, 79989700), (2, 39994850), (4, 19997425), (5, 15997940), (7, 11427100), (10, 7998970), (14, 5713550), (20, 3999485), (25, 3199588), (28, 2856775), (35, 2285420), (50, 1599794), (70, 1142710), (100, 799897), (140, 571355), (175, 457084), (229, 349300), (350, 228542), (458, 174650), (499, 160300), (700, 114271), (916, 87325), (998, 80150), (1145, 69860), (1603, 49900), (1996, 40075), (2290, 34930), (2495, 32060), (3206, 24950), (3493, 22900), (4580, 17465), (4990, 16030), (5725, 13972), (6412, 12475), (6986, 11450), (8015, 9980)]