28837860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20897}}^1$

素因数の和:20932

約数の個数: 48

約数和(自身を含む): 84260736

約数和(自身を除く): 55422876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20897, 41794, 62691, 83588, 104485, 125382, 208970, 250764, 313455, 417940, 480631, 626910, 961262, 1253820, 1441893, 1922524, 2403155, 2883786, 4806310, 5767572, 7209465, 9612620, 14418930, 28837860]

約数ペア:

[(1, 28837860), (2, 14418930), (3, 9612620), (4, 7209465), (5, 5767572), (6, 4806310), (10, 2883786), (12, 2403155), (15, 1922524), (20, 1441893), (23, 1253820), (30, 961262), (46, 626910), (60, 480631), (69, 417940), (92, 313455), (115, 250764), (138, 208970), (230, 125382), (276, 104485), (345, 83588), (460, 62691), (690, 41794), (1380, 20897)]