7865620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:2992

約数の個数: 48

約数和(自身を含む): 19877760

約数和(自身を除く): 12012140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 2957, 5914, 11828, 14785, 20699, 29570, 41398, 56183, 59140, 82796, 103495, 112366, 206990, 224732, 280915, 393281, 413980, 561830, 786562, 1123660, 1573124, 1966405, 3932810, 7865620]

約数ペア:

[(1, 7865620), (2, 3932810), (4, 1966405), (5, 1573124), (7, 1123660), (10, 786562), (14, 561830), (19, 413980), (20, 393281), (28, 280915), (35, 224732), (38, 206990), (70, 112366), (76, 103495), (95, 82796), (133, 59140), (140, 56183), (190, 41398), (266, 29570), (380, 20699), (532, 14785), (665, 11828), (1330, 5914), (2660, 2957)]