31110940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{619}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 74995200

約数和(自身を除く): 43884260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 619, 718, 1238, 1436, 1795, 2476, 2513, 3095, 3590, 4333, 5026, 6190, 7180, 8666, 10052, 12380, 12565, 17332, 21665, 25130, 43330, 50260, 86660, 222221, 444442, 888884, 1111105, 1555547, 2222210, 3111094, 4444420, 6222188, 7777735, 15555470, 31110940]

約数ペア:

[(1, 31110940), (2, 15555470), (4, 7777735), (5, 6222188), (7, 4444420), (10, 3111094), (14, 2222210), (20, 1555547), (28, 1111105), (35, 888884), (70, 444442), (140, 222221), (359, 86660), (619, 50260), (718, 43330), (1238, 25130), (1436, 21665), (1795, 17332), (2476, 12565), (2513, 12380), (3095, 10052), (3590, 8666), (4333, 7180), (5026, 6190)]