127545980

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 272208384

約数和(自身を除く): 144662404

約数列:

[1, 2, 4, 5, 10, 20, 173, 191, 193, 346, 382, 386, 692, 764, 772, 865, 955, 965, 1730, 1910, 1930, 3460, 3820, 3860, 33043, 33389, 36863, 66086, 66778, 73726, 132172, 133556, 147452, 165215, 166945, 184315, 330430, 333890, 368630, 660860, 667780, 737260, 6377299, 12754598, 25509196, 31886495, 63772990, 127545980]

約数ペア:

[(1, 127545980), (2, 63772990), (4, 31886495), (5, 25509196), (10, 12754598), (20, 6377299), (173, 737260), (191, 667780), (193, 660860), (346, 368630), (382, 333890), (386, 330430), (692, 184315), (764, 166945), (772, 165215), (865, 147452), (955, 133556), (965, 132172), (1730, 73726), (1910, 66778), (1930, 66086), (3460, 36863), (3820, 33389), (3860, 33043)]