198273520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2579}}^1$

素因数の和:2654

約数の個数: 60

約数和(自身を含む): 476520840

約数和(自身を除く): 278247320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 2579, 3844, 4805, 5158, 7688, 9610, 10316, 12895, 15376, 19220, 20632, 25790, 38440, 41264, 51580, 76880, 79949, 103160, 159898, 206320, 319796, 399745, 639592, 799490, 1279184, 1598980, 2478419, 3197960, 4956838, 6395920, 9913676, 12392095, 19827352, 24784190, 39654704, 49568380, 99136760, 198273520]

約数ペア:

[(1, 198273520), (2, 99136760), (4, 49568380), (5, 39654704), (8, 24784190), (10, 19827352), (16, 12392095), (20, 9913676), (31, 6395920), (40, 4956838), (62, 3197960), (80, 2478419), (124, 1598980), (155, 1279184), (248, 799490), (310, 639592), (496, 399745), (620, 319796), (961, 206320), (1240, 159898), (1922, 103160), (2480, 79949), (2579, 76880), (3844, 51580), (4805, 41264), (5158, 38440), (7688, 25790), (9610, 20632), (10316, 19220), (12895, 15376)]