2005209090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{86693}}^1$

素因数の和:86963

約数の個数: 48

約数和(自身を含む): 5233890168

約数和(自身を除く): 3228681078

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 1285, 1542, 2313, 2570, 3855, 4626, 7710, 11565, 23130, 86693, 173386, 260079, 433465, 520158, 780237, 866930, 1300395, 1560474, 2600790, 3901185, 7802370, 22280101, 44560202, 66840303, 111400505, 133680606, 200520909, 222801010, 334201515, 401041818, 668403030, 1002604545, 2005209090]

約数ペア:

[(1, 2005209090), (2, 1002604545), (3, 668403030), (5, 401041818), (6, 334201515), (9, 222801010), (10, 200520909), (15, 133680606), (18, 111400505), (30, 66840303), (45, 44560202), (90, 22280101), (257, 7802370), (514, 3901185), (771, 2600790), (1285, 1560474), (1542, 1300395), (2313, 866930), (2570, 780237), (3855, 520158), (4626, 433465), (7710, 260079), (11565, 173386), (23130, 86693)]