71473820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{17099}}^1$

素因数の和:17138

約数の個数: 48

約数和(自身を含む): 172368000

約数和(自身を除く): 100894180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 17099, 34198, 68396, 85495, 170990, 188089, 324881, 341980, 376178, 649762, 752356, 940445, 1299524, 1624405, 1880890, 3248810, 3573691, 3761780, 6497620, 7147382, 14294764, 17868455, 35736910, 71473820]

約数ペア:

[(1, 71473820), (2, 35736910), (4, 17868455), (5, 14294764), (10, 7147382), (11, 6497620), (19, 3761780), (20, 3573691), (22, 3248810), (38, 1880890), (44, 1624405), (55, 1299524), (76, 940445), (95, 752356), (110, 649762), (190, 376178), (209, 341980), (220, 324881), (380, 188089), (418, 170990), (836, 85495), (1045, 68396), (2090, 34198), (4180, 17099)]