1339968460

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{136453}}^1$

素因数の和:136953

約数の個数: 24

約数和(自身を含む): 2819685456

約数和(自身を除く): 1479716996

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 136453, 272906, 545812, 682265, 1364530, 2729060, 66998423, 133996846, 267993692, 334992115, 669984230, 1339968460]

約数ペア:

[(1, 1339968460), (2, 669984230), (4, 334992115), (5, 267993692), (10, 133996846), (20, 66998423), (491, 2729060), (982, 1364530), (1964, 682265), (2455, 545812), (4910, 272906), (9820, 136453)]