361890910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{21401}}^1$

素因数の和:21516

約数の個数: 32

約数和(自身を含む): 693424800

約数和(自身を除く): 331533890

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 3382, 8455, 16910, 21401, 42802, 107005, 214010, 406619, 813238, 1904689, 2033095, 3809378, 4066190, 9523445, 19046890, 36189091, 72378182, 180945455, 361890910]

約数ペア:

[(1, 361890910), (2, 180945455), (5, 72378182), (10, 36189091), (19, 19046890), (38, 9523445), (89, 4066190), (95, 3809378), (178, 2033095), (190, 1904689), (445, 813238), (890, 406619), (1691, 214010), (3382, 107005), (8455, 42802), (16910, 21401)]