87163450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{439}}^1$

素因数の和:500

約数の個数: 72

約数和(自身を含む): 187086240

約数和(自身を除く): 99922790

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 361, 418, 439, 475, 550, 722, 878, 950, 1045, 1805, 2090, 2195, 3610, 3971, 4390, 4829, 5225, 7942, 8341, 9025, 9658, 10450, 10975, 16682, 18050, 19855, 21950, 24145, 39710, 41705, 48290, 83410, 91751, 99275, 120725, 158479, 183502, 198550, 208525, 241450, 316958, 417050, 458755, 792395, 917510, 1584790, 1743269, 2293775, 3486538, 3961975, 4587550, 7923950, 8716345, 17432690, 43581725, 87163450]

約数ペア:

[(1, 87163450), (2, 43581725), (5, 17432690), (10, 8716345), (11, 7923950), (19, 4587550), (22, 3961975), (25, 3486538), (38, 2293775), (50, 1743269), (55, 1584790), (95, 917510), (110, 792395), (190, 458755), (209, 417050), (275, 316958), (361, 241450), (418, 208525), (439, 198550), (475, 183502), (550, 158479), (722, 120725), (878, 99275), (950, 91751), (1045, 83410), (1805, 48290), (2090, 41705), (2195, 39710), (3610, 24145), (3971, 21950), (4390, 19855), (4829, 18050), (5225, 16682), (7942, 10975), (8341, 10450), (9025, 9658)]