8790460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1697}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 21680064

約数和(自身を除く): 12889604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 1697, 2590, 3394, 5180, 6788, 8485, 11879, 16970, 23758, 33940, 47516, 59395, 62789, 118790, 125578, 237580, 251156, 313945, 439523, 627890, 879046, 1255780, 1758092, 2197615, 4395230, 8790460]

約数ペア:

[(1, 8790460), (2, 4395230), (4, 2197615), (5, 1758092), (7, 1255780), (10, 879046), (14, 627890), (20, 439523), (28, 313945), (35, 251156), (37, 237580), (70, 125578), (74, 118790), (140, 62789), (148, 59395), (185, 47516), (259, 33940), (370, 23758), (518, 16970), (740, 11879), (1036, 8485), (1295, 6788), (1697, 5180), (2590, 3394)]