878902280

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{1187}}^1$

素因数の和:1478

約数の個数: 64

約数和(自身を含む): 2009240640

約数和(自身を除く): 1130338360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 173, 214, 346, 428, 535, 692, 856, 865, 1070, 1187, 1384, 1730, 2140, 2374, 3460, 4280, 4748, 5935, 6920, 9496, 11870, 18511, 23740, 37022, 47480, 74044, 92555, 127009, 148088, 185110, 205351, 254018, 370220, 410702, 508036, 635045, 740440, 821404, 1016072, 1026755, 1270090, 1642808, 2053510, 2540180, 4107020, 5080360, 8214040, 21972557, 43945114, 87890228, 109862785, 175780456, 219725570, 439451140, 878902280]

約数ペア:

[(1, 878902280), (2, 439451140), (4, 219725570), (5, 175780456), (8, 109862785), (10, 87890228), (20, 43945114), (40, 21972557), (107, 8214040), (173, 5080360), (214, 4107020), (346, 2540180), (428, 2053510), (535, 1642808), (692, 1270090), (856, 1026755), (865, 1016072), (1070, 821404), (1187, 740440), (1384, 635045), (1730, 508036), (2140, 410702), (2374, 370220), (3460, 254018), (4280, 205351), (4748, 185110), (5935, 148088), (6920, 127009), (9496, 92555), (11870, 74044), (18511, 47480), (23740, 37022)]