202497250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 404352000

約数和(自身を除く): 201854750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 125, 178, 190, 250, 445, 475, 479, 890, 950, 958, 1691, 2225, 2375, 2395, 3382, 4450, 4750, 4790, 8455, 9101, 11125, 11975, 16910, 18202, 22250, 23950, 42275, 42631, 45505, 59875, 84550, 85262, 91010, 119750, 211375, 213155, 227525, 422750, 426310, 455050, 809989, 1065775, 1137625, 1619978, 2131550, 2275250, 4049945, 5328875, 8099890, 10657750, 20249725, 40499450, 101248625, 202497250]

約数ペア:

[(1, 202497250), (2, 101248625), (5, 40499450), (10, 20249725), (19, 10657750), (25, 8099890), (38, 5328875), (50, 4049945), (89, 2275250), (95, 2131550), (125, 1619978), (178, 1137625), (190, 1065775), (250, 809989), (445, 455050), (475, 426310), (479, 422750), (890, 227525), (950, 213155), (958, 211375), (1691, 119750), (2225, 91010), (2375, 85262), (2395, 84550), (3382, 59875), (4450, 45505), (4750, 42631), (4790, 42275), (8455, 23950), (9101, 22250), (11125, 18202), (11975, 16910)]