214899680

素因数分解:

$2^5\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2939}}^1$

素因数の和:3411

約数の個数: 48

約数和(自身を含む): 508984560

約数和(自身を除く): 294084880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 457, 914, 1828, 2285, 2939, 3656, 4570, 5878, 7312, 9140, 11756, 14624, 14695, 18280, 23512, 29390, 36560, 47024, 58780, 73120, 94048, 117560, 235120, 470240, 1343123, 2686246, 5372492, 6715615, 10744984, 13431230, 21489968, 26862460, 42979936, 53724920, 107449840, 214899680]

約数ペア:

[(1, 214899680), (2, 107449840), (4, 53724920), (5, 42979936), (8, 26862460), (10, 21489968), (16, 13431230), (20, 10744984), (32, 6715615), (40, 5372492), (80, 2686246), (160, 1343123), (457, 470240), (914, 235120), (1828, 117560), (2285, 94048), (2939, 73120), (3656, 58780), (4570, 47024), (5878, 36560), (7312, 29390), (9140, 23512), (11756, 18280), (14624, 14695)]