205236020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{1657}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 471296448

約数和(自身を除く): 266060428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 563, 1126, 1657, 2252, 2815, 3314, 5630, 6193, 6628, 8285, 11260, 12386, 16570, 18227, 24772, 30965, 33140, 36454, 61930, 72908, 91135, 123860, 182270, 364540, 932891, 1865782, 3731564, 4664455, 9328910, 10261801, 18657820, 20523602, 41047204, 51309005, 102618010, 205236020]

約数ペア:

[(1, 205236020), (2, 102618010), (4, 51309005), (5, 41047204), (10, 20523602), (11, 18657820), (20, 10261801), (22, 9328910), (44, 4664455), (55, 3731564), (110, 1865782), (220, 932891), (563, 364540), (1126, 182270), (1657, 123860), (2252, 91135), (2815, 72908), (3314, 61930), (5630, 36454), (6193, 33140), (6628, 30965), (8285, 24772), (11260, 18227), (12386, 16570)]