421902040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20641}}^1$

素因数の和:20732

約数の個数: 64

約数和(自身を含む): 1099805760

約数和(自身を除く): 677903720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 20440, 20641, 41282, 82564, 103205, 144487, 165128, 206410, 288974, 412820, 577948, 722435, 825640, 1155896, 1444870, 1506793, 2889740, 3013586, 5779480, 6027172, 7533965, 10547551, 12054344, 15067930, 21095102, 30135860, 42190204, 52737755, 60271720, 84380408, 105475510, 210951020, 421902040]

約数ペア:

[(1, 421902040), (2, 210951020), (4, 105475510), (5, 84380408), (7, 60271720), (8, 52737755), (10, 42190204), (14, 30135860), (20, 21095102), (28, 15067930), (35, 12054344), (40, 10547551), (56, 7533965), (70, 6027172), (73, 5779480), (140, 3013586), (146, 2889740), (280, 1506793), (292, 1444870), (365, 1155896), (511, 825640), (584, 722435), (730, 577948), (1022, 412820), (1460, 288974), (2044, 206410), (2555, 165128), (2920, 144487), (4088, 103205), (5110, 82564), (10220, 41282), (20440, 20641)]