78598100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2389}}^1$

素因数の和:2457

約数の個数: 72

約数和(自身を含む): 199153920

約数和(自身を除く): 120555820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 329, 350, 470, 658, 700, 940, 1175, 1316, 1645, 2350, 2389, 3290, 4700, 4778, 6580, 8225, 9556, 11945, 16450, 16723, 23890, 32900, 33446, 47780, 59725, 66892, 83615, 112283, 119450, 167230, 224566, 238900, 334460, 418075, 449132, 561415, 785981, 836150, 1122830, 1571962, 1672300, 2245660, 2807075, 3143924, 3929905, 5614150, 7859810, 11228300, 15719620, 19649525, 39299050, 78598100]

約数ペア:

[(1, 78598100), (2, 39299050), (4, 19649525), (5, 15719620), (7, 11228300), (10, 7859810), (14, 5614150), (20, 3929905), (25, 3143924), (28, 2807075), (35, 2245660), (47, 1672300), (50, 1571962), (70, 1122830), (94, 836150), (100, 785981), (140, 561415), (175, 449132), (188, 418075), (235, 334460), (329, 238900), (350, 224566), (470, 167230), (658, 119450), (700, 112283), (940, 83615), (1175, 66892), (1316, 59725), (1645, 47780), (2350, 33446), (2389, 32900), (3290, 23890), (4700, 16723), (4778, 16450), (6580, 11945), (8225, 9556)]