257367170

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1\times {\mathrm{1097}}^1$

素因数の和:1942

約数の個数: 32

約数和(自身を含む): 480265200

約数和(自身を除く): 222898030

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 809, 1097, 1618, 2194, 4045, 5485, 8090, 10970, 23461, 31813, 46922, 63626, 117305, 159065, 234610, 318130, 887473, 1774946, 4437365, 8874730, 25736717, 51473434, 128683585, 257367170]

約数ペア:

[(1, 257367170), (2, 128683585), (5, 51473434), (10, 25736717), (29, 8874730), (58, 4437365), (145, 1774946), (290, 887473), (809, 318130), (1097, 234610), (1618, 159065), (2194, 117305), (4045, 63626), (5485, 46922), (8090, 31813), (10970, 23461)]