187885880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 528353280

約数和(自身を除く): 340467400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 355, 364, 455, 497, 520, 568, 710, 727, 728, 910, 923, 994, 1420, 1454, 1820, 1846, 1988, 2485, 2840, 2908, 3635, 3640, 3692, 3976, 4615, 4970, 5089, 5816, 6461, 7270, 7384, 9230, 9451, 9940, 10178, 12922, 14540, 18460, 18902, 19880, 20356, 25445, 25844, 29080, 32305, 36920, 37804, 40712, 47255, 50890, 51617, 51688, 64610, 66157, 75608, 94510, 101780, 103234, 129220, 132314, 189020, 203560, 206468, 258085, 258440, 264628, 330785, 361319, 378040, 412936, 516170, 529256, 661570, 671021, 722638, 1032340, 1323140, 1342042, 1445276, 1806595, 2064680, 2646280, 2684084, 2890552, 3355105, 3613190, 4697147, 5368168, 6710210, 7226380, 9394294, 13420420, 14452760, 18788588, 23485735, 26840840, 37577176, 46971470, 93942940, 187885880]

約数ペア:

[(1, 187885880), (2, 93942940), (4, 46971470), (5, 37577176), (7, 26840840), (8, 23485735), (10, 18788588), (13, 14452760), (14, 13420420), (20, 9394294), (26, 7226380), (28, 6710210), (35, 5368168), (40, 4697147), (52, 3613190), (56, 3355105), (65, 2890552), (70, 2684084), (71, 2646280), (91, 2064680), (104, 1806595), (130, 1445276), (140, 1342042), (142, 1323140), (182, 1032340), (260, 722638), (280, 671021), (284, 661570), (355, 529256), (364, 516170), (455, 412936), (497, 378040), (520, 361319), (568, 330785), (710, 264628), (727, 258440), (728, 258085), (910, 206468), (923, 203560), (994, 189020), (1420, 132314), (1454, 129220), (1820, 103234), (1846, 101780), (1988, 94510), (2485, 75608), (2840, 66157), (2908, 64610), (3635, 51688), (3640, 51617), (3692, 50890), (3976, 47255), (4615, 40712), (4970, 37804), (5089, 36920), (5816, 32305), (6461, 29080), (7270, 25844), (7384, 25445), (9230, 20356), (9451, 19880), (9940, 18902), (10178, 18460), (12922, 14540)]