680260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 1685376

約数和(自身を除く): 1005116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 113, 140, 172, 215, 226, 301, 430, 452, 565, 602, 791, 860, 1130, 1204, 1505, 1582, 2260, 3010, 3164, 3955, 4859, 6020, 7910, 9718, 15820, 19436, 24295, 34013, 48590, 68026, 97180, 136052, 170065, 340130, 680260]

約数ペア:

[(1, 680260), (2, 340130), (4, 170065), (5, 136052), (7, 97180), (10, 68026), (14, 48590), (20, 34013), (28, 24295), (35, 19436), (43, 15820), (70, 9718), (86, 7910), (113, 6020), (140, 4859), (172, 3955), (215, 3164), (226, 3010), (301, 2260), (430, 1582), (452, 1505), (565, 1204), (602, 1130), (791, 860)]