280015498

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1511}}^1$

素因数の和:1619

約数の個数: 48

約数和(自身を含む): 512967168

約数和(自身を除く): 232951670

約数列:

[1, 2, 7, 14, 31, 49, 61, 62, 98, 122, 217, 427, 434, 854, 1511, 1519, 1891, 2989, 3022, 3038, 3782, 5978, 10577, 13237, 21154, 26474, 46841, 74039, 92171, 92659, 93682, 148078, 184342, 185318, 327887, 645197, 655774, 1290394, 2295209, 2857301, 4516379, 4590418, 5714602, 9032758, 20001107, 40002214, 140007749, 280015498]

約数ペア:

[(1, 280015498), (2, 140007749), (7, 40002214), (14, 20001107), (31, 9032758), (49, 5714602), (61, 4590418), (62, 4516379), (98, 2857301), (122, 2295209), (217, 1290394), (427, 655774), (434, 645197), (854, 327887), (1511, 185318), (1519, 184342), (1891, 148078), (2989, 93682), (3022, 92659), (3038, 92171), (3782, 74039), (5978, 46841), (10577, 26474), (13237, 21154)]