671972620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{8461}}^1$

素因数の和:8519

約数の個数: 72

約数和(自身を含む): 1624907088

約数和(自身を除く): 952934468

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1045, 1444, 1805, 2090, 3610, 3971, 4180, 7220, 7942, 8461, 15884, 16922, 19855, 33844, 39710, 42305, 79420, 84610, 93071, 160759, 169220, 186142, 321518, 372284, 465355, 643036, 803795, 930710, 1607590, 1768349, 1861420, 3054421, 3215180, 3536698, 6108842, 7073396, 8841745, 12217684, 15272105, 17683490, 30544210, 33598631, 35366980, 61088420, 67197262, 134394524, 167993155, 335986310, 671972620]

約数ペア:

[(1, 671972620), (2, 335986310), (4, 167993155), (5, 134394524), (10, 67197262), (11, 61088420), (19, 35366980), (20, 33598631), (22, 30544210), (38, 17683490), (44, 15272105), (55, 12217684), (76, 8841745), (95, 7073396), (110, 6108842), (190, 3536698), (209, 3215180), (220, 3054421), (361, 1861420), (380, 1768349), (418, 1607590), (722, 930710), (836, 803795), (1045, 643036), (1444, 465355), (1805, 372284), (2090, 321518), (3610, 186142), (3971, 169220), (4180, 160759), (7220, 93071), (7942, 84610), (8461, 79420), (15884, 42305), (16922, 39710), (19855, 33844)]