858309100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{4787}}^1$

素因数の和:4975

約数の個数: 72

約数和(自身を含む): 2044744128

約数和(自身を除く): 1186435028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 163, 220, 275, 326, 550, 652, 815, 1100, 1630, 1793, 3260, 3586, 4075, 4787, 7172, 8150, 8965, 9574, 16300, 17930, 19148, 23935, 35860, 44825, 47870, 52657, 89650, 95740, 105314, 119675, 179300, 210628, 239350, 263285, 478700, 526570, 780281, 1053140, 1316425, 1560562, 2632850, 3121124, 3901405, 5265700, 7802810, 8583091, 15605620, 17166182, 19507025, 34332364, 39014050, 42915455, 78028100, 85830910, 171661820, 214577275, 429154550, 858309100]

約数ペア:

[(1, 858309100), (2, 429154550), (4, 214577275), (5, 171661820), (10, 85830910), (11, 78028100), (20, 42915455), (22, 39014050), (25, 34332364), (44, 19507025), (50, 17166182), (55, 15605620), (100, 8583091), (110, 7802810), (163, 5265700), (220, 3901405), (275, 3121124), (326, 2632850), (550, 1560562), (652, 1316425), (815, 1053140), (1100, 780281), (1630, 526570), (1793, 478700), (3260, 263285), (3586, 239350), (4075, 210628), (4787, 179300), (7172, 119675), (8150, 105314), (8965, 95740), (9574, 89650), (16300, 52657), (17930, 47870), (19148, 44825), (23935, 35860)]