4377980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 9948960

約数和(自身を除く): 5570980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 281, 380, 410, 562, 779, 820, 1124, 1405, 1558, 2810, 3116, 3895, 5339, 5620, 7790, 10678, 11521, 15580, 21356, 23042, 26695, 46084, 53390, 57605, 106780, 115210, 218899, 230420, 437798, 875596, 1094495, 2188990, 4377980]

約数ペア:

[(1, 4377980), (2, 2188990), (4, 1094495), (5, 875596), (10, 437798), (19, 230420), (20, 218899), (38, 115210), (41, 106780), (76, 57605), (82, 53390), (95, 46084), (164, 26695), (190, 23042), (205, 21356), (281, 15580), (380, 11521), (410, 10678), (562, 7790), (779, 5620), (820, 5339), (1124, 3895), (1405, 3116), (1558, 2810)]