221814530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{443}}^1$

素因数の和:791

約数の個数: 64

約数和(自身を含む): 478752768

約数和(自身を除く): 256938238

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 311, 322, 443, 622, 805, 886, 1555, 1610, 2177, 2215, 3101, 3110, 4354, 4430, 6202, 7153, 10189, 10885, 14306, 15505, 20378, 21770, 31010, 35765, 50071, 50945, 71323, 71530, 100142, 101890, 137773, 142646, 250355, 275546, 356615, 500710, 688865, 713230, 964411, 1377730, 1928822, 3168779, 4822055, 6337558, 9644110, 15843895, 22181453, 31687790, 44362906, 110907265, 221814530]

約数ペア:

[(1, 221814530), (2, 110907265), (5, 44362906), (7, 31687790), (10, 22181453), (14, 15843895), (23, 9644110), (35, 6337558), (46, 4822055), (70, 3168779), (115, 1928822), (161, 1377730), (230, 964411), (311, 713230), (322, 688865), (443, 500710), (622, 356615), (805, 275546), (886, 250355), (1555, 142646), (1610, 137773), (2177, 101890), (2215, 100142), (3101, 71530), (3110, 71323), (4354, 50945), (4430, 50071), (6202, 35765), (7153, 31010), (10189, 21770), (10885, 20378), (14306, 15505)]