4122380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 9166080

約数和(自身を除く): 5043700

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 109, 122, 124, 155, 218, 244, 305, 310, 436, 545, 610, 620, 1090, 1220, 1891, 2180, 3379, 3782, 6649, 6758, 7564, 9455, 13298, 13516, 16895, 18910, 26596, 33245, 33790, 37820, 66490, 67580, 132980, 206119, 412238, 824476, 1030595, 2061190, 4122380]

約数ペア:

[(1, 4122380), (2, 2061190), (4, 1030595), (5, 824476), (10, 412238), (20, 206119), (31, 132980), (61, 67580), (62, 66490), (109, 37820), (122, 33790), (124, 33245), (155, 26596), (218, 18910), (244, 16895), (305, 13516), (310, 13298), (436, 9455), (545, 7564), (610, 6758), (620, 6649), (1090, 3782), (1220, 3379), (1891, 2180)]