259664120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{381859}}^1$

素因数の和:381887

約数の個数: 32

約数和(自身を含む): 618613200

約数和(自身を除く): 358949080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 381859, 763718, 1527436, 1909295, 3054872, 3818590, 6491603, 7637180, 12983206, 15274360, 25966412, 32458015, 51932824, 64916030, 129832060, 259664120]

約数ペア:

[(1, 259664120), (2, 129832060), (4, 64916030), (5, 51932824), (8, 32458015), (10, 25966412), (17, 15274360), (20, 12983206), (34, 7637180), (40, 6491603), (68, 3818590), (85, 3054872), (136, 1909295), (170, 1527436), (340, 763718), (680, 381859)]