1371220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 3160080

約数和(自身を除く): 1788860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 109, 148, 170, 185, 218, 340, 370, 436, 545, 629, 740, 1090, 1258, 1853, 2180, 2516, 3145, 3706, 4033, 6290, 7412, 8066, 9265, 12580, 16132, 18530, 20165, 37060, 40330, 68561, 80660, 137122, 274244, 342805, 685610, 1371220]

約数ペア:

[(1, 1371220), (2, 685610), (4, 342805), (5, 274244), (10, 137122), (17, 80660), (20, 68561), (34, 40330), (37, 37060), (68, 20165), (74, 18530), (85, 16132), (109, 12580), (148, 9265), (170, 8066), (185, 7412), (218, 6290), (340, 4033), (370, 3706), (436, 3145), (545, 2516), (629, 2180), (740, 1853), (1090, 1258)]