7974020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 18144000

約数和(自身を除く): 10169980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 499, 799, 940, 998, 1598, 1996, 2495, 3196, 3995, 4990, 7990, 8483, 9980, 15980, 16966, 23453, 33932, 42415, 46906, 84830, 93812, 117265, 169660, 234530, 398701, 469060, 797402, 1594804, 1993505, 3987010, 7974020]

約数ペア:

[(1, 7974020), (2, 3987010), (4, 1993505), (5, 1594804), (10, 797402), (17, 469060), (20, 398701), (34, 234530), (47, 169660), (68, 117265), (85, 93812), (94, 84830), (170, 46906), (188, 42415), (235, 33932), (340, 23453), (470, 16966), (499, 15980), (799, 9980), (940, 8483), (998, 7990), (1598, 4990), (1996, 3995), (2495, 3196)]