31887130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 67496436

約数和(自身を除く): 35609306

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 73, 95, 110, 121, 146, 190, 209, 242, 361, 365, 418, 605, 722, 730, 803, 1045, 1210, 1387, 1606, 1805, 2090, 2299, 2774, 3610, 3971, 4015, 4598, 6935, 7942, 8030, 8833, 11495, 13870, 15257, 17666, 19855, 22990, 26353, 30514, 39710, 43681, 44165, 52706, 76285, 87362, 88330, 131765, 152570, 167827, 218405, 263530, 289883, 335654, 436810, 579766, 839135, 1449415, 1678270, 2898830, 3188713, 6377426, 15943565, 31887130]

約数ペア:

[(1, 31887130), (2, 15943565), (5, 6377426), (10, 3188713), (11, 2898830), (19, 1678270), (22, 1449415), (38, 839135), (55, 579766), (73, 436810), (95, 335654), (110, 289883), (121, 263530), (146, 218405), (190, 167827), (209, 152570), (242, 131765), (361, 88330), (365, 87362), (418, 76285), (605, 52706), (722, 44165), (730, 43681), (803, 39710), (1045, 30514), (1210, 26353), (1387, 22990), (1606, 19855), (1805, 17666), (2090, 15257), (2299, 13870), (2774, 11495), (3610, 8833), (3971, 8030), (4015, 7942), (4598, 6935)]