218361280

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5209}}^1$

素因数の和:5357

約数の個数: 56

約数和(自身を含む): 524042640

約数和(自身を除く): 305681360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1310, 2096, 2620, 4192, 5209, 5240, 8384, 10418, 10480, 20836, 20960, 26045, 41672, 41920, 52090, 83344, 104180, 166688, 208360, 333376, 416720, 682379, 833440, 1364758, 1666880, 2729516, 3411895, 5459032, 6823790, 10918064, 13647580, 21836128, 27295160, 43672256, 54590320, 109180640, 218361280]

約数ペア:

[(1, 218361280), (2, 109180640), (4, 54590320), (5, 43672256), (8, 27295160), (10, 21836128), (16, 13647580), (20, 10918064), (32, 6823790), (40, 5459032), (64, 3411895), (80, 2729516), (131, 1666880), (160, 1364758), (262, 833440), (320, 682379), (524, 416720), (655, 333376), (1048, 208360), (1310, 166688), (2096, 104180), (2620, 83344), (4192, 52090), (5209, 41920), (5240, 41672), (8384, 26045), (10418, 20960), (10480, 20836)]