449960

素因数分解:

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

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 1157760

約数和(自身を除く): 707800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1607, 3214, 6428, 8035, 11249, 12856, 16070, 22498, 32140, 44996, 56245, 64280, 89992, 112490, 224980, 449960]

約数ペア:

[(1, 449960), (2, 224980), (4, 112490), (5, 89992), (7, 64280), (8, 56245), (10, 44996), (14, 32140), (20, 22498), (28, 16070), (35, 12856), (40, 11249), (56, 8035), (70, 6428), (140, 3214), (280, 1607)]