77988860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9973}}^1$

素因数の和:10022

約数の個数: 48

約数和(自身を含む): 180968256

約数和(自身を除く): 102979396

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 9973, 19946, 39892, 49865, 99730, 169541, 199460, 229379, 339082, 458758, 678164, 847705, 917516, 1146895, 1695410, 2293790, 3390820, 3899443, 4587580, 7798886, 15597772, 19497215, 38994430, 77988860]

約数ペア:

[(1, 77988860), (2, 38994430), (4, 19497215), (5, 15597772), (10, 7798886), (17, 4587580), (20, 3899443), (23, 3390820), (34, 2293790), (46, 1695410), (68, 1146895), (85, 917516), (92, 847705), (115, 678164), (170, 458758), (230, 339082), (340, 229379), (391, 199460), (460, 169541), (782, 99730), (1564, 49865), (1955, 39892), (3910, 19946), (7820, 9973)]