54128890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1499}}^1$

素因数の和:1686

約数の個数: 32

約数和(自身を含む): 102384000

約数和(自身を除く): 48255110

約数列:

[1, 2, 5, 10, 23, 46, 115, 157, 230, 314, 785, 1499, 1570, 2998, 3611, 7222, 7495, 14990, 18055, 34477, 36110, 68954, 172385, 235343, 344770, 470686, 1176715, 2353430, 5412889, 10825778, 27064445, 54128890]

約数ペア:

[(1, 54128890), (2, 27064445), (5, 10825778), (10, 5412889), (23, 2353430), (46, 1176715), (115, 470686), (157, 344770), (230, 235343), (314, 172385), (785, 68954), (1499, 36110), (1570, 34477), (2998, 18055), (3611, 14990), (7222, 7495)]