4994260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 11433744

約数和(自身を除く): 6439484

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 397, 629, 740, 794, 1258, 1588, 1985, 2516, 3145, 3970, 6290, 6749, 7940, 12580, 13498, 14689, 26996, 29378, 33745, 58756, 67490, 73445, 134980, 146890, 249713, 293780, 499426, 998852, 1248565, 2497130, 4994260]

約数ペア:

[(1, 4994260), (2, 2497130), (4, 1248565), (5, 998852), (10, 499426), (17, 293780), (20, 249713), (34, 146890), (37, 134980), (68, 73445), (74, 67490), (85, 58756), (148, 33745), (170, 29378), (185, 26996), (340, 14689), (370, 13498), (397, 12580), (629, 7940), (740, 6749), (794, 6290), (1258, 3970), (1588, 3145), (1985, 2516)]