700000040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{5987}}^1$

素因数の和:6114

約数の個数: 64

約数和(自身を含む): 1638316800

約数和(自身を除く): 938316760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 296, 316, 370, 395, 632, 740, 790, 1480, 1580, 2923, 3160, 5846, 5987, 11692, 11974, 14615, 23384, 23948, 29230, 29935, 47896, 58460, 59870, 116920, 119740, 221519, 239480, 443038, 472973, 886076, 945946, 1107595, 1772152, 1891892, 2215190, 2364865, 3783784, 4430380, 4729730, 8860760, 9459460, 17500001, 18918920, 35000002, 70000004, 87500005, 140000008, 175000010, 350000020, 700000040]

約数ペア:

[(1, 700000040), (2, 350000020), (4, 175000010), (5, 140000008), (8, 87500005), (10, 70000004), (20, 35000002), (37, 18918920), (40, 17500001), (74, 9459460), (79, 8860760), (148, 4729730), (158, 4430380), (185, 3783784), (296, 2364865), (316, 2215190), (370, 1891892), (395, 1772152), (632, 1107595), (740, 945946), (790, 886076), (1480, 472973), (1580, 443038), (2923, 239480), (3160, 221519), (5846, 119740), (5987, 116920), (11692, 59870), (11974, 58460), (14615, 47896), (23384, 29935), (23948, 29230)]