217470428

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2539}}^1$

素因数の和:2599

約数の個数: 72

約数和(自身を含む): 486460800

約数和(自身を除く): 268990372

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 266, 322, 437, 532, 644, 874, 931, 1127, 1748, 1862, 2254, 2539, 3059, 3724, 4508, 5078, 6118, 10156, 12236, 17773, 21413, 35546, 42826, 48241, 58397, 71092, 85652, 96482, 116794, 124411, 192964, 233588, 248822, 337687, 408779, 497644, 675374, 817558, 1109543, 1350748, 1635116, 2219086, 2363809, 2861453, 4438172, 4727618, 5722906, 7766801, 9455236, 11445812, 15533602, 31067204, 54367607, 108735214, 217470428]

約数ペア:

[(1, 217470428), (2, 108735214), (4, 54367607), (7, 31067204), (14, 15533602), (19, 11445812), (23, 9455236), (28, 7766801), (38, 5722906), (46, 4727618), (49, 4438172), (76, 2861453), (92, 2363809), (98, 2219086), (133, 1635116), (161, 1350748), (196, 1109543), (266, 817558), (322, 675374), (437, 497644), (532, 408779), (644, 337687), (874, 248822), (931, 233588), (1127, 192964), (1748, 124411), (1862, 116794), (2254, 96482), (2539, 85652), (3059, 71092), (3724, 58397), (4508, 48241), (5078, 42826), (6118, 35546), (10156, 21413), (12236, 17773)]