201617800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{1049}}^1$

素因数の和:1127

約数の個数: 72

約数和(自身を含む): 484832250

約数和(自身を除く): 283214450

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 961, 1049, 1240, 1550, 1922, 2098, 3100, 3844, 4196, 4805, 5245, 6200, 7688, 8392, 9610, 10490, 19220, 20980, 24025, 26225, 32519, 38440, 41960, 48050, 52450, 65038, 96100, 104900, 130076, 162595, 192200, 209800, 260152, 325190, 650380, 812975, 1008089, 1300760, 1625950, 2016178, 3251900, 4032356, 5040445, 6503800, 8064712, 10080890, 20161780, 25202225, 40323560, 50404450, 100808900, 201617800]

約数ペア:

[(1, 201617800), (2, 100808900), (4, 50404450), (5, 40323560), (8, 25202225), (10, 20161780), (20, 10080890), (25, 8064712), (31, 6503800), (40, 5040445), (50, 4032356), (62, 3251900), (100, 2016178), (124, 1625950), (155, 1300760), (200, 1008089), (248, 812975), (310, 650380), (620, 325190), (775, 260152), (961, 209800), (1049, 192200), (1240, 162595), (1550, 130076), (1922, 104900), (2098, 96100), (3100, 65038), (3844, 52450), (4196, 48050), (4805, 41960), (5245, 38440), (6200, 32519), (7688, 26225), (8392, 24025), (9610, 20980), (10490, 19220)]