211703140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1847}}^1$

素因数の和:2388

約数の個数: 48

約数和(自身を含む): 486186624

約数和(自身を除く): 274483484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 521, 1042, 1847, 2084, 2605, 3694, 5210, 5731, 7388, 9235, 10420, 11462, 18470, 20317, 22924, 28655, 36940, 40634, 57310, 81268, 101585, 114620, 203170, 406340, 962287, 1924574, 3849148, 4811435, 9622870, 10585157, 19245740, 21170314, 42340628, 52925785, 105851570, 211703140]

約数ペア:

[(1, 211703140), (2, 105851570), (4, 52925785), (5, 42340628), (10, 21170314), (11, 19245740), (20, 10585157), (22, 9622870), (44, 4811435), (55, 3849148), (110, 1924574), (220, 962287), (521, 406340), (1042, 203170), (1847, 114620), (2084, 101585), (2605, 81268), (3694, 57310), (5210, 40634), (5731, 36940), (7388, 28655), (9235, 22924), (10420, 20317), (11462, 18470)]