1330384940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{8123}}^1$

素因数の和:8582

約数の個数: 48

約数和(自身を含む): 2948037120

約数和(自身を除く): 1617652180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 431, 862, 1724, 2155, 4310, 8123, 8189, 8620, 16246, 16378, 32492, 32756, 40615, 40945, 81230, 81890, 154337, 162460, 163780, 308674, 617348, 771685, 1543370, 3086740, 3501013, 7002026, 14004052, 17505065, 35010130, 66519247, 70020260, 133038494, 266076988, 332596235, 665192470, 1330384940]

約数ペア:

[(1, 1330384940), (2, 665192470), (4, 332596235), (5, 266076988), (10, 133038494), (19, 70020260), (20, 66519247), (38, 35010130), (76, 17505065), (95, 14004052), (190, 7002026), (380, 3501013), (431, 3086740), (862, 1543370), (1724, 771685), (2155, 617348), (4310, 308674), (8123, 163780), (8189, 162460), (8620, 154337), (16246, 81890), (16378, 81230), (32492, 40945), (32756, 40615)]