978730220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{22541}}^1$

素因数の和:22730

約数の個数: 48

約数和(自身を含む): 2226788928

約数和(自身を除く): 1248058708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 334, 668, 835, 1670, 2171, 3340, 4342, 8684, 10855, 21710, 22541, 43420, 45082, 90164, 112705, 225410, 293033, 450820, 586066, 1172132, 1465165, 2930330, 3764347, 5860660, 7528694, 15057388, 18821735, 37643470, 48936511, 75286940, 97873022, 195746044, 244682555, 489365110, 978730220]

約数ペア:

[(1, 978730220), (2, 489365110), (4, 244682555), (5, 195746044), (10, 97873022), (13, 75286940), (20, 48936511), (26, 37643470), (52, 18821735), (65, 15057388), (130, 7528694), (167, 5860660), (260, 3764347), (334, 2930330), (668, 1465165), (835, 1172132), (1670, 586066), (2171, 450820), (3340, 293033), (4342, 225410), (8684, 112705), (10855, 90164), (21710, 45082), (22541, 43420)]