29561980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12421}}^1$

素因数の和:12454

約数の個数: 48

約数和(自身を含む): 75128256

約数和(自身を除く): 45566276

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 12421, 24842, 49684, 62105, 86947, 124210, 173894, 211157, 248420, 347788, 422314, 434735, 844628, 869470, 1055785, 1478099, 1738940, 2111570, 2956198, 4223140, 5912396, 7390495, 14780990, 29561980]

約数ペア:

[(1, 29561980), (2, 14780990), (4, 7390495), (5, 5912396), (7, 4223140), (10, 2956198), (14, 2111570), (17, 1738940), (20, 1478099), (28, 1055785), (34, 869470), (35, 844628), (68, 434735), (70, 422314), (85, 347788), (119, 248420), (140, 211157), (170, 173894), (238, 124210), (340, 86947), (476, 62105), (595, 49684), (1190, 24842), (2380, 12421)]