28753140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 87607296

約数和(自身を除く): 58854156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 191, 193, 195, 260, 382, 386, 390, 573, 579, 764, 772, 780, 955, 965, 1146, 1158, 1910, 1930, 2292, 2316, 2483, 2509, 2865, 2895, 3820, 3860, 4966, 5018, 5730, 5790, 7449, 7527, 9932, 10036, 11460, 11580, 12415, 12545, 14898, 15054, 24830, 25090, 29796, 30108, 36863, 37245, 37635, 49660, 50180, 73726, 74490, 75270, 110589, 147452, 148980, 150540, 184315, 221178, 368630, 442356, 479219, 552945, 737260, 958438, 1105890, 1437657, 1916876, 2211780, 2396095, 2875314, 4792190, 5750628, 7188285, 9584380, 14376570, 28753140]

約数ペア:

[(1, 28753140), (2, 14376570), (3, 9584380), (4, 7188285), (5, 5750628), (6, 4792190), (10, 2875314), (12, 2396095), (13, 2211780), (15, 1916876), (20, 1437657), (26, 1105890), (30, 958438), (39, 737260), (52, 552945), (60, 479219), (65, 442356), (78, 368630), (130, 221178), (156, 184315), (191, 150540), (193, 148980), (195, 147452), (260, 110589), (382, 75270), (386, 74490), (390, 73726), (573, 50180), (579, 49660), (764, 37635), (772, 37245), (780, 36863), (955, 30108), (965, 29796), (1146, 25090), (1158, 24830), (1910, 15054), (1930, 14898), (2292, 12545), (2316, 12415), (2483, 11580), (2509, 11460), (2865, 10036), (2895, 9932), (3820, 7527), (3860, 7449), (4966, 5790), (5018, 5730)]