87983980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{8609}}^1$

素因数の和:8698

約数の個数: 48

約数和(自身を含む): 214079040

約数和(自身を除く): 126095060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 8609, 10220, 17218, 34436, 43045, 60263, 86090, 120526, 172180, 241052, 301315, 602630, 628457, 1205260, 1256914, 2513828, 3142285, 4399199, 6284570, 8798398, 12569140, 17596796, 21995995, 43991990, 87983980]

約数ペア:

[(1, 87983980), (2, 43991990), (4, 21995995), (5, 17596796), (7, 12569140), (10, 8798398), (14, 6284570), (20, 4399199), (28, 3142285), (35, 2513828), (70, 1256914), (73, 1205260), (140, 628457), (146, 602630), (292, 301315), (365, 241052), (511, 172180), (730, 120526), (1022, 86090), (1460, 60263), (2044, 43045), (2555, 34436), (5110, 17218), (8609, 10220)]