131838280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1607}}^1$

素因数の和:1918

約数の個数: 64

約数和(自身を含む): 340381440

約数和(自身を除く): 208543160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293, 586, 1172, 1465, 1607, 2051, 2344, 2930, 3214, 4102, 5860, 6428, 8035, 8204, 10255, 11249, 11720, 12856, 16070, 16408, 20510, 22498, 32140, 41020, 44996, 56245, 64280, 82040, 89992, 112490, 224980, 449960, 470851, 941702, 1883404, 2354255, 3295957, 3766808, 4708510, 6591914, 9417020, 13183828, 16479785, 18834040, 26367656, 32959570, 65919140, 131838280]

約数ペア:

[(1, 131838280), (2, 65919140), (4, 32959570), (5, 26367656), (7, 18834040), (8, 16479785), (10, 13183828), (14, 9417020), (20, 6591914), (28, 4708510), (35, 3766808), (40, 3295957), (56, 2354255), (70, 1883404), (140, 941702), (280, 470851), (293, 449960), (586, 224980), (1172, 112490), (1465, 89992), (1607, 82040), (2051, 64280), (2344, 56245), (2930, 44996), (3214, 41020), (4102, 32140), (5860, 22498), (6428, 20510), (8035, 16408), (8204, 16070), (10255, 12856), (11249, 11720)]