4390420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 10054800

約数和(自身を除く): 5664380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 349, 370, 629, 698, 740, 1258, 1396, 1745, 2516, 3145, 3490, 5933, 6290, 6980, 11866, 12580, 12913, 23732, 25826, 29665, 51652, 59330, 64565, 118660, 129130, 219521, 258260, 439042, 878084, 1097605, 2195210, 4390420]

約数ペア:

[(1, 4390420), (2, 2195210), (4, 1097605), (5, 878084), (10, 439042), (17, 258260), (20, 219521), (34, 129130), (37, 118660), (68, 64565), (74, 59330), (85, 51652), (148, 29665), (170, 25826), (185, 23732), (340, 12913), (349, 12580), (370, 11866), (629, 6980), (698, 6290), (740, 5933), (1258, 3490), (1396, 3145), (1745, 2516)]