53902380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{128339}}^1$

素因数の和:128358

約数の個数: 48

約数和(自身を含む): 172488960

約数和(自身を除く): 118586580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 128339, 256678, 385017, 513356, 641695, 770034, 898373, 1283390, 1540068, 1796746, 1925085, 2566780, 2695119, 3593492, 3850170, 4491865, 5390238, 7700340, 8983730, 10780476, 13475595, 17967460, 26951190, 53902380]

約数ペア:

[(1, 53902380), (2, 26951190), (3, 17967460), (4, 13475595), (5, 10780476), (6, 8983730), (7, 7700340), (10, 5390238), (12, 4491865), (14, 3850170), (15, 3593492), (20, 2695119), (21, 2566780), (28, 1925085), (30, 1796746), (35, 1540068), (42, 1283390), (60, 898373), (70, 770034), (84, 641695), (105, 513356), (140, 385017), (210, 256678), (420, 128339)]