399967367045

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{419}}^1\times {\mathrm{509}}^1\times {\mathrm{1039}}^1$

素因数の和:2010

約数の個数: 48

約数和(自身を含む): 509247648000

約数和(自身を除く): 109280280955

約数列:

[1, 5, 19, 95, 361, 419, 509, 1039, 1805, 2095, 2545, 5195, 7961, 9671, 19741, 39805, 48355, 98705, 151259, 183749, 213271, 375079, 435341, 528851, 756295, 918745, 1066355, 1875395, 2176705, 2644255, 4052149, 8271479, 10048169, 20260745, 41357395, 50240845, 76990831, 157158101, 190915211, 221588569, 384954155, 785790505, 954576055, 1107942845, 4210182811, 21050914055, 79993473409, 399967367045]

約数ペア:

[(1, 399967367045), (5, 79993473409), (19, 21050914055), (95, 4210182811), (361, 1107942845), (419, 954576055), (509, 785790505), (1039, 384954155), (1805, 221588569), (2095, 190915211), (2545, 157158101), (5195, 76990831), (7961, 50240845), (9671, 41357395), (19741, 20260745), (39805, 10048169), (48355, 8271479), (98705, 4052149), (151259, 2644255), (183749, 2176705), (213271, 1875395), (375079, 1066355), (435341, 918745), (528851, 756295)]