1330478420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3501259}}^1$

素因数の和:3501287

約数の個数: 24

約数和(自身を含む): 2941058400

約数和(自身を除く): 1610579980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3501259, 7002518, 14005036, 17506295, 35012590, 66523921, 70025180, 133047842, 266095684, 332619605, 665239210, 1330478420]

約数ペア:

[(1, 1330478420), (2, 665239210), (4, 332619605), (5, 266095684), (10, 133047842), (19, 70025180), (20, 66523921), (38, 35012590), (76, 17506295), (95, 14005036), (190, 7002518), (380, 3501259)]