99718460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 221319840

約数和(自身を除く): 121601380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 397, 661, 794, 1322, 1588, 1985, 2644, 3305, 3970, 6610, 7543, 7940, 12559, 13220, 15086, 25118, 30172, 37715, 50236, 62795, 75430, 125590, 150860, 251180, 262417, 524834, 1049668, 1312085, 2624170, 4985923, 5248340, 9971846, 19943692, 24929615, 49859230, 99718460]

約数ペア:

[(1, 99718460), (2, 49859230), (4, 24929615), (5, 19943692), (10, 9971846), (19, 5248340), (20, 4985923), (38, 2624170), (76, 1312085), (95, 1049668), (190, 524834), (380, 262417), (397, 251180), (661, 150860), (794, 125590), (1322, 75430), (1588, 62795), (1985, 50236), (2644, 37715), (3305, 30172), (3970, 25118), (6610, 15086), (7543, 13220), (7940, 12559)]