74102840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{691}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 191324160

約数和(自身を除く): 117221320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 691, 766, 1382, 1532, 1915, 2681, 2764, 3064, 3455, 3830, 4837, 5362, 5528, 6910, 7660, 9674, 10724, 13405, 13820, 15320, 19348, 21448, 24185, 26810, 27640, 38696, 48370, 53620, 96740, 107240, 193480, 264653, 529306, 1058612, 1323265, 1852571, 2117224, 2646530, 3705142, 5293060, 7410284, 9262855, 10586120, 14820568, 18525710, 37051420, 74102840]

約数ペア:

[(1, 74102840), (2, 37051420), (4, 18525710), (5, 14820568), (7, 10586120), (8, 9262855), (10, 7410284), (14, 5293060), (20, 3705142), (28, 2646530), (35, 2117224), (40, 1852571), (56, 1323265), (70, 1058612), (140, 529306), (280, 264653), (383, 193480), (691, 107240), (766, 96740), (1382, 53620), (1532, 48370), (1915, 38696), (2681, 27640), (2764, 26810), (3064, 24185), (3455, 21448), (3830, 19348), (4837, 15320), (5362, 13820), (5528, 13405), (6910, 10724), (7660, 9674)]