686607020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{66403}}^1$

素因数の和:66470

約数の個数: 48

約数和(自身を含む): 1606445568

約数和(自身を除く): 919838548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 66403, 132806, 265612, 332015, 664030, 730433, 1328060, 1460866, 2921732, 3120941, 3652165, 6241882, 7304330, 12483764, 14608660, 15604705, 31209410, 34330351, 62418820, 68660702, 137321404, 171651755, 343303510, 686607020]

約数ペア:

[(1, 686607020), (2, 343303510), (4, 171651755), (5, 137321404), (10, 68660702), (11, 62418820), (20, 34330351), (22, 31209410), (44, 15604705), (47, 14608660), (55, 12483764), (94, 7304330), (110, 6241882), (188, 3652165), (220, 3120941), (235, 2921732), (470, 1460866), (517, 1328060), (940, 730433), (1034, 664030), (2068, 332015), (2585, 265612), (5170, 132806), (10340, 66403)]