2086580

素因数分解:

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

素因数の和:81

約数の個数: 54

約数和(自身を含む): 4912614

約数和(自身を除く): 2826034

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 361, 380, 578, 646, 722, 1156, 1292, 1444, 1445, 1615, 1805, 2890, 3230, 3610, 5491, 5780, 6137, 6460, 7220, 10982, 12274, 21964, 24548, 27455, 30685, 54910, 61370, 104329, 109820, 122740, 208658, 417316, 521645, 1043290, 2086580]

約数ペア:

[(1, 2086580), (2, 1043290), (4, 521645), (5, 417316), (10, 208658), (17, 122740), (19, 109820), (20, 104329), (34, 61370), (38, 54910), (68, 30685), (76, 27455), (85, 24548), (95, 21964), (170, 12274), (190, 10982), (289, 7220), (323, 6460), (340, 6137), (361, 5780), (380, 5491), (578, 3610), (646, 3230), (722, 2890), (1156, 1805), (1292, 1615), (1444, 1445)]