213445310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{2383}}^1$

素因数の和:2469

約数の個数: 48

約数和(自身を含む): 424056384

約数和(自身を除く): 210611074

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 169, 265, 338, 530, 689, 845, 1378, 1690, 2383, 3445, 4766, 6890, 8957, 11915, 17914, 23830, 30979, 44785, 61958, 89570, 126299, 154895, 252598, 309790, 402727, 631495, 805454, 1262990, 1641887, 2013635, 3283774, 4027270, 8209435, 16418870, 21344531, 42689062, 106722655, 213445310]

約数ペア:

[(1, 213445310), (2, 106722655), (5, 42689062), (10, 21344531), (13, 16418870), (26, 8209435), (53, 4027270), (65, 3283774), (106, 2013635), (130, 1641887), (169, 1262990), (265, 805454), (338, 631495), (530, 402727), (689, 309790), (845, 252598), (1378, 154895), (1690, 126299), (2383, 89570), (3445, 61958), (4766, 44785), (6890, 30979), (8957, 23830), (11915, 17914)]