89662900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1151}}^1$

素因数の和:1225

約数の個数: 72

約数和(自身を含む): 209986560

約数和(自身を除く): 120323660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 205, 380, 410, 475, 779, 820, 950, 1025, 1151, 1558, 1900, 2050, 2302, 3116, 3895, 4100, 4604, 5755, 7790, 11510, 15580, 19475, 21869, 23020, 28775, 38950, 43738, 47191, 57550, 77900, 87476, 94382, 109345, 115100, 188764, 218690, 235955, 437380, 471910, 546725, 896629, 943820, 1093450, 1179775, 1793258, 2186900, 2359550, 3586516, 4483145, 4719100, 8966290, 17932580, 22415725, 44831450, 89662900]

約数ペア:

[(1, 89662900), (2, 44831450), (4, 22415725), (5, 17932580), (10, 8966290), (19, 4719100), (20, 4483145), (25, 3586516), (38, 2359550), (41, 2186900), (50, 1793258), (76, 1179775), (82, 1093450), (95, 943820), (100, 896629), (164, 546725), (190, 471910), (205, 437380), (380, 235955), (410, 218690), (475, 188764), (779, 115100), (820, 109345), (950, 94382), (1025, 87476), (1151, 77900), (1558, 57550), (1900, 47191), (2050, 43738), (2302, 38950), (3116, 28775), (3895, 23020), (4100, 21869), (4604, 19475), (5755, 15580), (7790, 11510)]