61613140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{599}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 134064000

約数和(自身を除く): 72450860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 139, 148, 185, 278, 370, 556, 599, 695, 740, 1198, 1390, 2396, 2780, 2995, 5143, 5990, 10286, 11980, 20572, 22163, 25715, 44326, 51430, 83261, 88652, 102860, 110815, 166522, 221630, 333044, 416305, 443260, 832610, 1665220, 3080657, 6161314, 12322628, 15403285, 30806570, 61613140]

約数ペア:

[(1, 61613140), (2, 30806570), (4, 15403285), (5, 12322628), (10, 6161314), (20, 3080657), (37, 1665220), (74, 832610), (139, 443260), (148, 416305), (185, 333044), (278, 221630), (370, 166522), (556, 110815), (599, 102860), (695, 88652), (740, 83261), (1198, 51430), (1390, 44326), (2396, 25715), (2780, 22163), (2995, 20572), (5143, 11980), (5990, 10286)]