1812776980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{761671}}^1$

素因数の和:761704

約数の個数: 48

約数和(自身を含む): 4606592256

約数和(自身を除く): 2793815276

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, 761671, 1523342, 3046684, 3808355, 5331697, 7616710, 10663394, 12948407, 15233420, 21326788, 25896814, 26658485, 51793628, 53316970, 64742035, 90638849, 106633940, 129484070, 181277698, 258968140, 362555396, 453194245, 906388490, 1812776980]

約数ペア:

[(1, 1812776980), (2, 906388490), (4, 453194245), (5, 362555396), (7, 258968140), (10, 181277698), (14, 129484070), (17, 106633940), (20, 90638849), (28, 64742035), (34, 53316970), (35, 51793628), (68, 26658485), (70, 25896814), (85, 21326788), (119, 15233420), (140, 12948407), (170, 10663394), (238, 7616710), (340, 5331697), (476, 3808355), (595, 3046684), (1190, 1523342), (2380, 761671)]