386487220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{2657}}^1$

素因数の和:3712

約数の個数: 48

約数和(自身を含む): 928811520

約数和(自身を除く): 542324300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1039, 2078, 2657, 4156, 5195, 5314, 7273, 10390, 10628, 13285, 14546, 18599, 20780, 26570, 29092, 36365, 37198, 53140, 72730, 74396, 92995, 145460, 185990, 371980, 2760623, 5521246, 11042492, 13803115, 19324361, 27606230, 38648722, 55212460, 77297444, 96621805, 193243610, 386487220]

約数ペア:

[(1, 386487220), (2, 193243610), (4, 96621805), (5, 77297444), (7, 55212460), (10, 38648722), (14, 27606230), (20, 19324361), (28, 13803115), (35, 11042492), (70, 5521246), (140, 2760623), (1039, 371980), (2078, 185990), (2657, 145460), (4156, 92995), (5195, 74396), (5314, 72730), (7273, 53140), (10390, 37198), (10628, 36365), (13285, 29092), (14546, 26570), (18599, 20780)]