2000129420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1\times {\mathrm{6619}}^1$

素因数の和:7178

約数の個数: 48

約数和(自身を含む): 4354106400

約数和(自身を除く): 2353976980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 521, 580, 1042, 2084, 2605, 5210, 6619, 10420, 13238, 15109, 26476, 30218, 33095, 60436, 66190, 75545, 132380, 151090, 191951, 302180, 383902, 767804, 959755, 1919510, 3448499, 3839020, 6896998, 13793996, 17242495, 34484990, 68969980, 100006471, 200012942, 400025884, 500032355, 1000064710, 2000129420]

約数ペア:

[(1, 2000129420), (2, 1000064710), (4, 500032355), (5, 400025884), (10, 200012942), (20, 100006471), (29, 68969980), (58, 34484990), (116, 17242495), (145, 13793996), (290, 6896998), (521, 3839020), (580, 3448499), (1042, 1919510), (2084, 959755), (2605, 767804), (5210, 383902), (6619, 302180), (10420, 191951), (13238, 151090), (15109, 132380), (26476, 75545), (30218, 66190), (33095, 60436)]