69890290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{601}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 130682160

約数和(自身を除く): 60791870

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 401, 601, 802, 1202, 2005, 3005, 4010, 6010, 11629, 17429, 23258, 34858, 58145, 87145, 116290, 174290, 241001, 482002, 1205005, 2410010, 6989029, 13978058, 34945145, 69890290]

約数ペア:

[(1, 69890290), (2, 34945145), (5, 13978058), (10, 6989029), (29, 2410010), (58, 1205005), (145, 482002), (290, 241001), (401, 174290), (601, 116290), (802, 87145), (1202, 58145), (2005, 34858), (3005, 23258), (4010, 17429), (6010, 11629)]