2102524775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 2947418496

約数和(自身を除く): 844893721

約数列:

[1, 5, 13, 25, 43, 65, 71, 163, 169, 215, 325, 355, 559, 815, 845, 923, 1075, 1775, 2119, 2795, 3053, 4075, 4225, 4615, 7009, 7267, 10595, 11573, 11999, 13975, 15265, 23075, 27547, 35045, 36335, 39689, 52975, 57865, 59995, 76325, 91117, 137735, 150449, 175225, 181675, 198445, 289325, 299975, 455585, 497639, 515957, 688675, 752245, 992225, 1184521, 1955837, 2277925, 2488195, 2579785, 3761225, 5922605, 6469307, 9779185, 12440975, 12898925, 29613025, 32346535, 48895925, 84100991, 161732675, 420504955, 2102524775]

約数ペア:

[(1, 2102524775), (5, 420504955), (13, 161732675), (25, 84100991), (43, 48895925), (65, 32346535), (71, 29613025), (163, 12898925), (169, 12440975), (215, 9779185), (325, 6469307), (355, 5922605), (559, 3761225), (815, 2579785), (845, 2488195), (923, 2277925), (1075, 1955837), (1775, 1184521), (2119, 992225), (2795, 752245), (3053, 688675), (4075, 515957), (4225, 497639), (4615, 455585), (7009, 299975), (7267, 289325), (10595, 198445), (11573, 181675), (11999, 175225), (13975, 150449), (15265, 137735), (23075, 91117), (27547, 76325), (35045, 59995), (36335, 57865), (39689, 52975)]