38876090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 82090260

約数和(自身を除く): 43214170

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 89, 95, 110, 121, 178, 190, 209, 242, 361, 418, 445, 605, 722, 890, 979, 1045, 1210, 1691, 1805, 1958, 2090, 2299, 3382, 3610, 3971, 4598, 4895, 7942, 8455, 9790, 10769, 11495, 16910, 18601, 19855, 21538, 22990, 32129, 37202, 39710, 43681, 53845, 64258, 87362, 93005, 107690, 160645, 186010, 204611, 218405, 321290, 353419, 409222, 436810, 706838, 1023055, 1767095, 2046110, 3534190, 3887609, 7775218, 19438045, 38876090]

約数ペア:

[(1, 38876090), (2, 19438045), (5, 7775218), (10, 3887609), (11, 3534190), (19, 2046110), (22, 1767095), (38, 1023055), (55, 706838), (89, 436810), (95, 409222), (110, 353419), (121, 321290), (178, 218405), (190, 204611), (209, 186010), (242, 160645), (361, 107690), (418, 93005), (445, 87362), (605, 64258), (722, 53845), (890, 43681), (979, 39710), (1045, 37202), (1210, 32129), (1691, 22990), (1805, 21538), (1958, 19855), (2090, 18601), (2299, 16910), (3382, 11495), (3610, 10769), (3971, 9790), (4598, 8455), (4895, 7942)]