281482180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{3079}}^1$

素因数の和:3748

約数の個数: 48

約数和(自身を含む): 676811520

約数和(自身を除く): 395329340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 653, 1306, 2612, 3079, 3265, 4571, 6158, 6530, 9142, 12316, 13060, 15395, 18284, 21553, 22855, 30790, 43106, 45710, 61580, 86212, 91420, 107765, 215530, 431060, 2010587, 4021174, 8042348, 10052935, 14074109, 20105870, 28148218, 40211740, 56296436, 70370545, 140741090, 281482180]

約数ペア:

[(1, 281482180), (2, 140741090), (4, 70370545), (5, 56296436), (7, 40211740), (10, 28148218), (14, 20105870), (20, 14074109), (28, 10052935), (35, 8042348), (70, 4021174), (140, 2010587), (653, 431060), (1306, 215530), (2612, 107765), (3079, 91420), (3265, 86212), (4571, 61580), (6158, 45710), (6530, 43106), (9142, 30790), (12316, 22855), (13060, 21553), (15395, 18284)]