163061780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{40163}}^1$

素因数の和:40208

約数の個数: 48

約数和(自身を含む): 404853120

約数和(自身を除く): 241791340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 40163, 80326, 160652, 200815, 281141, 401630, 562282, 803260, 1124564, 1164727, 1405705, 2329454, 2811410, 4658908, 5622820, 5823635, 8153089, 11647270, 16306178, 23294540, 32612356, 40765445, 81530890, 163061780]

約数ペア:

[(1, 163061780), (2, 81530890), (4, 40765445), (5, 32612356), (7, 23294540), (10, 16306178), (14, 11647270), (20, 8153089), (28, 5823635), (29, 5622820), (35, 4658908), (58, 2811410), (70, 2329454), (116, 1405705), (140, 1164727), (145, 1124564), (203, 803260), (290, 562282), (406, 401630), (580, 281141), (812, 200815), (1015, 160652), (2030, 80326), (4060, 40163)]