2835140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 7584192

約数和(自身を除く): 4749052

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 263, 308, 385, 490, 526, 539, 770, 980, 1052, 1078, 1315, 1540, 1841, 2156, 2630, 2695, 2893, 3682, 5260, 5390, 5786, 7364, 9205, 10780, 11572, 12887, 14465, 18410, 20251, 25774, 28930, 36820, 40502, 51548, 57860, 64435, 81004, 101255, 128870, 141757, 202510, 257740, 283514, 405020, 567028, 708785, 1417570, 2835140]

約数ペア:

[(1, 2835140), (2, 1417570), (4, 708785), (5, 567028), (7, 405020), (10, 283514), (11, 257740), (14, 202510), (20, 141757), (22, 128870), (28, 101255), (35, 81004), (44, 64435), (49, 57860), (55, 51548), (70, 40502), (77, 36820), (98, 28930), (110, 25774), (140, 20251), (154, 18410), (196, 14465), (220, 12887), (245, 11572), (263, 10780), (308, 9205), (385, 7364), (490, 5786), (526, 5390), (539, 5260), (770, 3682), (980, 2893), (1052, 2695), (1078, 2630), (1315, 2156), (1540, 1841)]