2190690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 5776056

約数和(自身を除く): 3585366

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 202, 241, 303, 482, 505, 606, 723, 909, 1010, 1205, 1446, 1515, 1818, 2169, 2410, 3030, 3615, 4338, 4545, 7230, 9090, 10845, 21690, 24341, 48682, 73023, 121705, 146046, 219069, 243410, 365115, 438138, 730230, 1095345, 2190690]

約数ペア:

[(1, 2190690), (2, 1095345), (3, 730230), (5, 438138), (6, 365115), (9, 243410), (10, 219069), (15, 146046), (18, 121705), (30, 73023), (45, 48682), (90, 24341), (101, 21690), (202, 10845), (241, 9090), (303, 7230), (482, 4545), (505, 4338), (606, 3615), (723, 3030), (909, 2410), (1010, 2169), (1205, 1818), (1446, 1515)]