71100820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 181149696

約数和(自身を除く): 110048876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 71, 92, 115, 140, 142, 161, 230, 284, 311, 322, 355, 460, 497, 622, 644, 710, 805, 994, 1244, 1420, 1555, 1610, 1633, 1988, 2177, 2485, 3110, 3220, 3266, 4354, 4970, 6220, 6532, 7153, 8165, 8708, 9940, 10885, 11431, 14306, 16330, 21770, 22081, 22862, 28612, 32660, 35765, 43540, 44162, 45724, 50071, 57155, 71530, 88324, 100142, 110405, 114310, 143060, 154567, 200284, 220810, 228620, 250355, 309134, 441620, 500710, 507863, 618268, 772835, 1001420, 1015726, 1545670, 2031452, 2539315, 3091340, 3555041, 5078630, 7110082, 10157260, 14220164, 17775205, 35550410, 71100820]

約数ペア:

[(1, 71100820), (2, 35550410), (4, 17775205), (5, 14220164), (7, 10157260), (10, 7110082), (14, 5078630), (20, 3555041), (23, 3091340), (28, 2539315), (35, 2031452), (46, 1545670), (70, 1015726), (71, 1001420), (92, 772835), (115, 618268), (140, 507863), (142, 500710), (161, 441620), (230, 309134), (284, 250355), (311, 228620), (322, 220810), (355, 200284), (460, 154567), (497, 143060), (622, 114310), (644, 110405), (710, 100142), (805, 88324), (994, 71530), (1244, 57155), (1420, 50071), (1555, 45724), (1610, 44162), (1633, 43540), (1988, 35765), (2177, 32660), (2485, 28612), (3110, 22862), (3220, 22081), (3266, 21770), (4354, 16330), (4970, 14306), (6220, 11431), (6532, 10885), (7153, 9940), (8165, 8708)]