420476540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{4673}}^1$

素因数の和:5102

約数の個数: 48

約数和(自身を含む): 965835360

約数和(自身を除く): 545358820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 1636, 2045, 4090, 4499, 4673, 8180, 8998, 9346, 17996, 18692, 22495, 23365, 44990, 46730, 51403, 89980, 93460, 102806, 205612, 257015, 514030, 1028060, 1911257, 3822514, 7645028, 9556285, 19112570, 21023827, 38225140, 42047654, 84095308, 105119135, 210238270, 420476540]

約数ペア:

[(1, 420476540), (2, 210238270), (4, 105119135), (5, 84095308), (10, 42047654), (11, 38225140), (20, 21023827), (22, 19112570), (44, 9556285), (55, 7645028), (110, 3822514), (220, 1911257), (409, 1028060), (818, 514030), (1636, 257015), (2045, 205612), (4090, 102806), (4499, 93460), (4673, 89980), (8180, 51403), (8998, 46730), (9346, 44990), (17996, 23365), (18692, 22495)]