7220420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 16027200

約数和(自身を除く): 8806780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 211, 236, 290, 295, 422, 580, 590, 844, 1055, 1180, 1711, 2110, 3422, 4220, 6119, 6844, 8555, 12238, 12449, 17110, 24476, 24898, 30595, 34220, 49796, 61190, 62245, 122380, 124490, 248980, 361021, 722042, 1444084, 1805105, 3610210, 7220420]

約数ペア:

[(1, 7220420), (2, 3610210), (4, 1805105), (5, 1444084), (10, 722042), (20, 361021), (29, 248980), (58, 124490), (59, 122380), (116, 62245), (118, 61190), (145, 49796), (211, 34220), (236, 30595), (290, 24898), (295, 24476), (422, 17110), (580, 12449), (590, 12238), (844, 8555), (1055, 6844), (1180, 6119), (1711, 4220), (2110, 3422)]