1878351440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{1877}}^1$

素因数の和:3684

約数の個数: 80

約数和(自身を含む): 4996501632

約数和(自身を除く): 3118150192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1787, 1877, 3574, 3754, 7148, 7508, 8935, 9385, 12509, 13139, 14296, 15016, 17870, 18770, 25018, 26278, 28592, 30032, 35740, 37540, 50036, 52556, 62545, 65695, 71480, 75080, 100072, 105112, 125090, 131390, 142960, 150160, 200144, 210224, 250180, 262780, 500360, 525560, 1000720, 1051120, 3354199, 6708398, 13416796, 16770995, 23479393, 26833592, 33541990, 46958786, 53667184, 67083980, 93917572, 117396965, 134167960, 187835144, 234793930, 268335920, 375670288, 469587860, 939175720, 1878351440]

約数ペア:

[(1, 1878351440), (2, 939175720), (4, 469587860), (5, 375670288), (7, 268335920), (8, 234793930), (10, 187835144), (14, 134167960), (16, 117396965), (20, 93917572), (28, 67083980), (35, 53667184), (40, 46958786), (56, 33541990), (70, 26833592), (80, 23479393), (112, 16770995), (140, 13416796), (280, 6708398), (560, 3354199), (1787, 1051120), (1877, 1000720), (3574, 525560), (3754, 500360), (7148, 262780), (7508, 250180), (8935, 210224), (9385, 200144), (12509, 150160), (13139, 142960), (14296, 131390), (15016, 125090), (17870, 105112), (18770, 100072), (25018, 75080), (26278, 71480), (28592, 65695), (30032, 62545), (35740, 52556), (37540, 50036)]