421611680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{53777}}^1$

素因数の和:53806

約数の個数: 72

約数和(自身を含む): 1158700788

約数和(自身を除く): 737089108

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 53777, 107554, 215108, 268885, 376439, 430216, 537770, 752878, 860432, 1075540, 1505756, 1720864, 1882195, 2151080, 2635073, 3011512, 3764390, 4302160, 5270146, 6023024, 7528780, 8604320, 10540292, 12046048, 13175365, 15057560, 21080584, 26350730, 30115120, 42161168, 52701460, 60230240, 84322336, 105402920, 210805840, 421611680]

約数ペア:

[(1, 421611680), (2, 210805840), (4, 105402920), (5, 84322336), (7, 60230240), (8, 52701460), (10, 42161168), (14, 30115120), (16, 26350730), (20, 21080584), (28, 15057560), (32, 13175365), (35, 12046048), (40, 10540292), (49, 8604320), (56, 7528780), (70, 6023024), (80, 5270146), (98, 4302160), (112, 3764390), (140, 3011512), (160, 2635073), (196, 2151080), (224, 1882195), (245, 1720864), (280, 1505756), (392, 1075540), (490, 860432), (560, 752878), (784, 537770), (980, 430216), (1120, 376439), (1568, 268885), (1960, 215108), (3920, 107554), (7840, 53777)]