40384918

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 72

約数和(自身を含む): 79432920

約数和(自身を除く): 39048002

約数列:

[1, 2, 7, 14, 19, 23, 38, 41, 46, 49, 82, 98, 133, 161, 266, 287, 322, 437, 529, 574, 779, 874, 931, 943, 1058, 1127, 1558, 1862, 1886, 2009, 2254, 3059, 3703, 4018, 5453, 6118, 6601, 7406, 10051, 10906, 13202, 17917, 20102, 21413, 21689, 25921, 35834, 38171, 42826, 43378, 46207, 51842, 70357, 76342, 92414, 125419, 140714, 151823, 250838, 303646, 412091, 492499, 824182, 877933, 984998, 1062761, 1755866, 2125522, 2884637, 5769274, 20192459, 40384918]

約数ペア:

[(1, 40384918), (2, 20192459), (7, 5769274), (14, 2884637), (19, 2125522), (23, 1755866), (38, 1062761), (41, 984998), (46, 877933), (49, 824182), (82, 492499), (98, 412091), (133, 303646), (161, 250838), (266, 151823), (287, 140714), (322, 125419), (437, 92414), (529, 76342), (574, 70357), (779, 51842), (874, 46207), (931, 43378), (943, 42826), (1058, 38171), (1127, 35834), (1558, 25921), (1862, 21689), (1886, 21413), (2009, 20102), (2254, 17917), (3059, 13202), (3703, 10906), (4018, 10051), (5453, 7406), (6118, 6601)]