198937221250

素因数分解:

$2^1\times 5^4\times {\mathrm{163}}^1\times {\mathrm{929}}^1\times {\mathrm{1051}}^1$

素因数の和:2165

約数の個数: 80

約数和(自身を含む): 375936786720

約数和(自身を除く): 176999565470

約数列:

[1, 2, 5, 10, 25, 50, 125, 163, 250, 326, 625, 815, 929, 1051, 1250, 1630, 1858, 2102, 4075, 4645, 5255, 8150, 9290, 10510, 20375, 23225, 26275, 40750, 46450, 52550, 101875, 116125, 131375, 151427, 171313, 203750, 232250, 262750, 302854, 342626, 580625, 656875, 757135, 856565, 976379, 1161250, 1313750, 1514270, 1713130, 1952758, 3785675, 4282825, 4881895, 7571350, 8565650, 9763790, 18928375, 21414125, 24409475, 37856750, 42828250, 48818950, 94641875, 107070625, 122047375, 159149777, 189283750, 214141250, 244094750, 318299554, 610236875, 795748885, 1220473750, 1591497770, 3978744425, 7957488850, 19893722125, 39787444250, 99468610625, 198937221250]

約数ペア:

[(1, 198937221250), (2, 99468610625), (5, 39787444250), (10, 19893722125), (25, 7957488850), (50, 3978744425), (125, 1591497770), (163, 1220473750), (250, 795748885), (326, 610236875), (625, 318299554), (815, 244094750), (929, 214141250), (1051, 189283750), (1250, 159149777), (1630, 122047375), (1858, 107070625), (2102, 94641875), (4075, 48818950), (4645, 42828250), (5255, 37856750), (8150, 24409475), (9290, 21414125), (10510, 18928375), (20375, 9763790), (23225, 8565650), (26275, 7571350), (40750, 4881895), (46450, 4282825), (52550, 3785675), (101875, 1952758), (116125, 1713130), (131375, 1514270), (151427, 1313750), (171313, 1161250), (203750, 976379), (232250, 856565), (262750, 757135), (302854, 656875), (342626, 580625)]