977840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1$

素因数の和:749

約数の個数: 40

約数和(自身を含む): 2410560

約数和(自身を除く): 1432720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 719, 1360, 1438, 2876, 3595, 5752, 7190, 11504, 12223, 14380, 24446, 28760, 48892, 57520, 61115, 97784, 122230, 195568, 244460, 488920, 977840]

約数ペア:

[(1, 977840), (2, 488920), (4, 244460), (5, 195568), (8, 122230), (10, 97784), (16, 61115), (17, 57520), (20, 48892), (34, 28760), (40, 24446), (68, 14380), (80, 12223), (85, 11504), (136, 7190), (170, 5752), (272, 3595), (340, 2876), (680, 1438), (719, 1360)]