211955940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{18691}}^1$

素因数の和:18719

約数の個数: 120

約数和(自身を含む): 759941952

約数和(自身を除く): 547986012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 18691, 37382, 56073, 74764, 93455, 112146, 130837, 168219, 186910, 224292, 261674, 280365, 336438, 373820, 392511, 504657, 523348, 560730, 654185, 672876, 785022, 841095, 1009314, 1121460, 1177533, 1308370, 1513971, 1570044, 1682190, 1962555, 2018628, 2355066, 2523285, 2616740, 3027942, 3364380, 3532599, 3925110, 4710132, 5046570, 5887665, 6055884, 7065198, 7569855, 7850220, 10093140, 10597797, 11775330, 14130396, 15139710, 17662995, 21195594, 23550660, 30279420, 35325990, 42391188, 52988985, 70651980, 105977970, 211955940]

約数ペア:

[(1, 211955940), (2, 105977970), (3, 70651980), (4, 52988985), (5, 42391188), (6, 35325990), (7, 30279420), (9, 23550660), (10, 21195594), (12, 17662995), (14, 15139710), (15, 14130396), (18, 11775330), (20, 10597797), (21, 10093140), (27, 7850220), (28, 7569855), (30, 7065198), (35, 6055884), (36, 5887665), (42, 5046570), (45, 4710132), (54, 3925110), (60, 3532599), (63, 3364380), (70, 3027942), (81, 2616740), (84, 2523285), (90, 2355066), (105, 2018628), (108, 1962555), (126, 1682190), (135, 1570044), (140, 1513971), (162, 1308370), (180, 1177533), (189, 1121460), (210, 1009314), (252, 841095), (270, 785022), (315, 672876), (324, 654185), (378, 560730), (405, 523348), (420, 504657), (540, 392511), (567, 373820), (630, 336438), (756, 280365), (810, 261674), (945, 224292), (1134, 186910), (1260, 168219), (1620, 130837), (1890, 112146), (2268, 93455), (2835, 74764), (3780, 56073), (5670, 37382), (11340, 18691)]