211557220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65701}}^1$

素因数の和:65740

約数の個数: 48

約数和(自身を含む): 529820928

約数和(自身を除く): 318263708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 65701, 131402, 262804, 328505, 459907, 657010, 919814, 1314020, 1511123, 1839628, 2299535, 3022246, 4599070, 6044492, 7555615, 9198140, 10577861, 15111230, 21155722, 30222460, 42311444, 52889305, 105778610, 211557220]

約数ペア:

[(1, 211557220), (2, 105778610), (4, 52889305), (5, 42311444), (7, 30222460), (10, 21155722), (14, 15111230), (20, 10577861), (23, 9198140), (28, 7555615), (35, 6044492), (46, 4599070), (70, 3022246), (92, 2299535), (115, 1839628), (140, 1511123), (161, 1314020), (230, 919814), (322, 657010), (460, 459907), (644, 328505), (805, 262804), (1610, 131402), (3220, 65701)]