201518900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1097}}^1$

素因数の和:1289

約数の個数: 72

約数和(自身を含む): 480344256

約数和(自身を除く): 278825356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 167, 220, 275, 334, 550, 668, 835, 1097, 1100, 1670, 1837, 2194, 3340, 3674, 4175, 4388, 5485, 7348, 8350, 9185, 10970, 12067, 16700, 18370, 21940, 24134, 27425, 36740, 45925, 48268, 54850, 60335, 91850, 109700, 120670, 183199, 183700, 241340, 301675, 366398, 603350, 732796, 915995, 1206700, 1831990, 2015189, 3663980, 4030378, 4579975, 8060756, 9159950, 10075945, 18319900, 20151890, 40303780, 50379725, 100759450, 201518900]

約数ペア:

[(1, 201518900), (2, 100759450), (4, 50379725), (5, 40303780), (10, 20151890), (11, 18319900), (20, 10075945), (22, 9159950), (25, 8060756), (44, 4579975), (50, 4030378), (55, 3663980), (100, 2015189), (110, 1831990), (167, 1206700), (220, 915995), (275, 732796), (334, 603350), (550, 366398), (668, 301675), (835, 241340), (1097, 183700), (1100, 183199), (1670, 120670), (1837, 109700), (2194, 91850), (3340, 60335), (3674, 54850), (4175, 48268), (4388, 45925), (5485, 36740), (7348, 27425), (8350, 24134), (9185, 21940), (10970, 18370), (12067, 16700)]