290921204

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26573}}^1$

素因数の和:26624

約数の個数: 48

約数和(自身を含む): 642878208

約数和(自身を除く): 351957004

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 2737, 5474, 10948, 26573, 53146, 106292, 186011, 372022, 451741, 611179, 744044, 903482, 1222358, 1806964, 2444716, 3162187, 4278253, 6324374, 8556506, 10390043, 12648748, 17113012, 20780086, 41560172, 72730301, 145460602, 290921204]

約数ペア:

[(1, 290921204), (2, 145460602), (4, 72730301), (7, 41560172), (14, 20780086), (17, 17113012), (23, 12648748), (28, 10390043), (34, 8556506), (46, 6324374), (68, 4278253), (92, 3162187), (119, 2444716), (161, 1806964), (238, 1222358), (322, 903482), (391, 744044), (476, 611179), (644, 451741), (782, 372022), (1564, 186011), (2737, 106292), (5474, 53146), (10948, 26573)]