81543350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:510

約数の個数: 72

約数和(自身を含む): 179004168

約数和(自身を除く): 97460818

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 83, 98, 166, 175, 245, 350, 401, 415, 490, 581, 802, 830, 1162, 1225, 2005, 2075, 2450, 2807, 2905, 4010, 4067, 4150, 5614, 5810, 8134, 10025, 14035, 14525, 19649, 20050, 20335, 28070, 29050, 33283, 39298, 40670, 66566, 70175, 98245, 101675, 140350, 166415, 196490, 203350, 232981, 332830, 465962, 491225, 832075, 982450, 1164905, 1630867, 1664150, 2329810, 3261734, 5824525, 8154335, 11649050, 16308670, 40771675, 81543350]

約数ペア:

[(1, 81543350), (2, 40771675), (5, 16308670), (7, 11649050), (10, 8154335), (14, 5824525), (25, 3261734), (35, 2329810), (49, 1664150), (50, 1630867), (70, 1164905), (83, 982450), (98, 832075), (166, 491225), (175, 465962), (245, 332830), (350, 232981), (401, 203350), (415, 196490), (490, 166415), (581, 140350), (802, 101675), (830, 98245), (1162, 70175), (1225, 66566), (2005, 40670), (2075, 39298), (2450, 33283), (2807, 29050), (2905, 28070), (4010, 20335), (4067, 20050), (4150, 19649), (5614, 14525), (5810, 14035), (8134, 10025)]