87387580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3877}}^1$

素因数の和:3923

約数の個数: 72

約数和(自身を含む): 222814368

約数和(自身を除く): 135426788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 3877, 4508, 5635, 7754, 11270, 15508, 19385, 22540, 27139, 38770, 54278, 77540, 89171, 108556, 135695, 178342, 189973, 271390, 356684, 379946, 445855, 542780, 624197, 759892, 891710, 949865, 1248394, 1783420, 1899730, 2496788, 3120985, 3799460, 4369379, 6241970, 8738758, 12483940, 17477516, 21846895, 43693790, 87387580]

約数ペア:

[(1, 87387580), (2, 43693790), (4, 21846895), (5, 17477516), (7, 12483940), (10, 8738758), (14, 6241970), (20, 4369379), (23, 3799460), (28, 3120985), (35, 2496788), (46, 1899730), (49, 1783420), (70, 1248394), (92, 949865), (98, 891710), (115, 759892), (140, 624197), (161, 542780), (196, 445855), (230, 379946), (245, 356684), (322, 271390), (460, 189973), (490, 178342), (644, 135695), (805, 108556), (980, 89171), (1127, 77540), (1610, 54278), (2254, 38770), (3220, 27139), (3877, 22540), (4508, 19385), (5635, 15508), (7754, 11270)]