391261140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{22409}}^1$

素因数の和:22521

約数の個数: 72

約数和(自身を含む): 1199114280

約数和(自身を除く): 807853140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 8730, 17460, 22409, 44818, 67227, 89636, 112045, 134454, 201681, 224090, 268908, 336135, 403362, 448180, 672270, 806724, 1008405, 1344540, 2016810, 2173673, 4033620, 4347346, 6521019, 8694692, 10868365, 13042038, 19563057, 21736730, 26084076, 32605095, 39126114, 43473460, 65210190, 78252228, 97815285, 130420380, 195630570, 391261140]

約数ペア:

[(1, 391261140), (2, 195630570), (3, 130420380), (4, 97815285), (5, 78252228), (6, 65210190), (9, 43473460), (10, 39126114), (12, 32605095), (15, 26084076), (18, 21736730), (20, 19563057), (30, 13042038), (36, 10868365), (45, 8694692), (60, 6521019), (90, 4347346), (97, 4033620), (180, 2173673), (194, 2016810), (291, 1344540), (388, 1008405), (485, 806724), (582, 672270), (873, 448180), (970, 403362), (1164, 336135), (1455, 268908), (1746, 224090), (1940, 201681), (2910, 134454), (3492, 112045), (4365, 89636), (5820, 67227), (8730, 44818), (17460, 22409)]