248987780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{38543}}^1$

素因数の和:38588

約数の個数: 48

約数和(自身を含む): 582785280

約数和(自身を除く): 333797500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 38543, 77086, 154172, 192715, 385430, 655231, 732317, 770860, 1310462, 1464634, 2620924, 2929268, 3276155, 3661585, 6552310, 7323170, 12449389, 13104620, 14646340, 24898778, 49797556, 62246945, 124493890, 248987780]

約数ペア:

[(1, 248987780), (2, 124493890), (4, 62246945), (5, 49797556), (10, 24898778), (17, 14646340), (19, 13104620), (20, 12449389), (34, 7323170), (38, 6552310), (68, 3661585), (76, 3276155), (85, 2929268), (95, 2620924), (170, 1464634), (190, 1310462), (323, 770860), (340, 732317), (380, 655231), (646, 385430), (1292, 192715), (1615, 154172), (3230, 77086), (6460, 38543)]