28802260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 62669376

約数和(自身を除く): 33867116

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 107, 172, 214, 215, 313, 428, 430, 535, 626, 860, 1070, 1252, 1565, 2140, 3130, 4601, 6260, 9202, 13459, 18404, 23005, 26918, 33491, 46010, 53836, 66982, 67295, 92020, 133964, 134590, 167455, 269180, 334910, 669820, 1440113, 2880226, 5760452, 7200565, 14401130, 28802260]

約数ペア:

[(1, 28802260), (2, 14401130), (4, 7200565), (5, 5760452), (10, 2880226), (20, 1440113), (43, 669820), (86, 334910), (107, 269180), (172, 167455), (214, 134590), (215, 133964), (313, 92020), (428, 67295), (430, 66982), (535, 53836), (626, 46010), (860, 33491), (1070, 26918), (1252, 23005), (1565, 18404), (2140, 13459), (3130, 9202), (4601, 6260)]