20190730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 96

約数和(自身を含む): 47402496

約数和(自身を除く): 27211766

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 47, 70, 85, 94, 95, 119, 133, 170, 190, 235, 238, 266, 323, 329, 361, 470, 595, 646, 658, 665, 722, 799, 893, 1190, 1330, 1598, 1615, 1645, 1786, 1805, 2261, 2527, 3230, 3290, 3610, 3995, 4465, 4522, 5054, 5593, 6137, 6251, 7990, 8930, 11186, 11305, 12274, 12502, 12635, 15181, 16967, 22610, 25270, 27965, 30362, 30685, 31255, 33934, 42959, 55930, 61370, 62510, 75905, 84835, 85918, 106267, 118769, 151810, 169670, 212534, 214795, 237538, 288439, 429590, 531335, 576878, 593845, 1062670, 1187690, 1442195, 2019073, 2884390, 4038146, 10095365, 20190730]

約数ペア:

[(1, 20190730), (2, 10095365), (5, 4038146), (7, 2884390), (10, 2019073), (14, 1442195), (17, 1187690), (19, 1062670), (34, 593845), (35, 576878), (38, 531335), (47, 429590), (70, 288439), (85, 237538), (94, 214795), (95, 212534), (119, 169670), (133, 151810), (170, 118769), (190, 106267), (235, 85918), (238, 84835), (266, 75905), (323, 62510), (329, 61370), (361, 55930), (470, 42959), (595, 33934), (646, 31255), (658, 30685), (665, 30362), (722, 27965), (799, 25270), (893, 22610), (1190, 16967), (1330, 15181), (1598, 12635), (1615, 12502), (1645, 12274), (1786, 11305), (1805, 11186), (2261, 8930), (2527, 7990), (3230, 6251), (3290, 6137), (3610, 5593), (3995, 5054), (4465, 4522)]