17454640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 29685200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 439, 497, 560, 568, 710, 878, 994, 1136, 1420, 1756, 1988, 2195, 2485, 2840, 3073, 3512, 3976, 4390, 4970, 5680, 6146, 7024, 7952, 8780, 9940, 12292, 15365, 17560, 19880, 24584, 30730, 31169, 35120, 39760, 49168, 61460, 62338, 122920, 124676, 155845, 218183, 245840, 249352, 311690, 436366, 498704, 623380, 872732, 1090915, 1246760, 1745464, 2181830, 2493520, 3490928, 4363660, 8727320, 17454640]

約数ペア:

[(1, 17454640), (2, 8727320), (4, 4363660), (5, 3490928), (7, 2493520), (8, 2181830), (10, 1745464), (14, 1246760), (16, 1090915), (20, 872732), (28, 623380), (35, 498704), (40, 436366), (56, 311690), (70, 249352), (71, 245840), (80, 218183), (112, 155845), (140, 124676), (142, 122920), (280, 62338), (284, 61460), (355, 49168), (439, 39760), (497, 35120), (560, 31169), (568, 30730), (710, 24584), (878, 19880), (994, 17560), (1136, 15365), (1420, 12292), (1756, 9940), (1988, 8780), (2195, 7952), (2485, 7024), (2840, 6146), (3073, 5680), (3512, 4970), (3976, 4390)]