30409820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{773}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 73338048

約数和(自身を除く): 42928228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 773, 1124, 1405, 1546, 1967, 2810, 3092, 3865, 3934, 5411, 5620, 7730, 7868, 9835, 10822, 15460, 19670, 21644, 27055, 39340, 54110, 108220, 217213, 434426, 868852, 1086065, 1520491, 2172130, 3040982, 4344260, 6081964, 7602455, 15204910, 30409820]

約数ペア:

[(1, 30409820), (2, 15204910), (4, 7602455), (5, 6081964), (7, 4344260), (10, 3040982), (14, 2172130), (20, 1520491), (28, 1086065), (35, 868852), (70, 434426), (140, 217213), (281, 108220), (562, 54110), (773, 39340), (1124, 27055), (1405, 21644), (1546, 19670), (1967, 15460), (2810, 10822), (3092, 9835), (3865, 7868), (3934, 7730), (5411, 5620)]