30691940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 66673152

約数和(自身を除く): 35981212

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 103, 188, 206, 235, 317, 412, 470, 515, 634, 940, 1030, 1268, 1585, 2060, 3170, 4841, 6340, 9682, 14899, 19364, 24205, 29798, 32651, 48410, 59596, 65302, 74495, 96820, 130604, 148990, 163255, 297980, 326510, 653020, 1534597, 3069194, 6138388, 7672985, 15345970, 30691940]

約数ペア:

[(1, 30691940), (2, 15345970), (4, 7672985), (5, 6138388), (10, 3069194), (20, 1534597), (47, 653020), (94, 326510), (103, 297980), (188, 163255), (206, 148990), (235, 130604), (317, 96820), (412, 74495), (470, 65302), (515, 59596), (634, 48410), (940, 32651), (1030, 29798), (1268, 24205), (1585, 19364), (2060, 14899), (3170, 9682), (4841, 6340)]