211014520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1019}}^1$

素因数の和:1228

約数の個数: 64

約数和(自身を含む): 493516800

約数和(自身を除く): 282502280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 167, 248, 310, 334, 620, 668, 835, 1019, 1240, 1336, 1670, 2038, 3340, 4076, 5095, 5177, 6680, 8152, 10190, 10354, 20380, 20708, 25885, 31589, 40760, 41416, 51770, 63178, 103540, 126356, 157945, 170173, 207080, 252712, 315890, 340346, 631780, 680692, 850865, 1263560, 1361384, 1701730, 3403460, 5275363, 6806920, 10550726, 21101452, 26376815, 42202904, 52753630, 105507260, 211014520]

約数ペア:

[(1, 211014520), (2, 105507260), (4, 52753630), (5, 42202904), (8, 26376815), (10, 21101452), (20, 10550726), (31, 6806920), (40, 5275363), (62, 3403460), (124, 1701730), (155, 1361384), (167, 1263560), (248, 850865), (310, 680692), (334, 631780), (620, 340346), (668, 315890), (835, 252712), (1019, 207080), (1240, 170173), (1336, 157945), (1670, 126356), (2038, 103540), (3340, 63178), (4076, 51770), (5095, 41416), (5177, 40760), (6680, 31589), (8152, 25885), (10190, 20708), (10354, 20380)]