100000180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1523}}^1$

素因数の和:1613

約数の個数: 72

約数和(自身を含む): 248095008

約数和(自身を除く): 148094828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 938, 980, 1340, 1523, 1876, 2345, 3046, 3283, 4690, 6092, 6566, 7615, 9380, 10661, 13132, 15230, 16415, 21322, 30460, 32830, 42644, 53305, 65660, 74627, 102041, 106610, 149254, 204082, 213220, 298508, 373135, 408164, 510205, 714287, 746270, 1020410, 1428574, 1492540, 2040820, 2857148, 3571435, 5000009, 7142870, 10000018, 14285740, 20000036, 25000045, 50000090, 100000180]

約数ペア:

[(1, 100000180), (2, 50000090), (4, 25000045), (5, 20000036), (7, 14285740), (10, 10000018), (14, 7142870), (20, 5000009), (28, 3571435), (35, 2857148), (49, 2040820), (67, 1492540), (70, 1428574), (98, 1020410), (134, 746270), (140, 714287), (196, 510205), (245, 408164), (268, 373135), (335, 298508), (469, 213220), (490, 204082), (670, 149254), (938, 106610), (980, 102041), (1340, 74627), (1523, 65660), (1876, 53305), (2345, 42644), (3046, 32830), (3283, 30460), (4690, 21322), (6092, 16415), (6566, 15230), (7615, 13132), (9380, 10661)]