201509660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{1361}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 462665952

約数和(自身を除く): 261156292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 673, 1346, 1361, 2692, 2722, 3365, 5444, 6730, 6805, 7403, 13460, 13610, 14806, 14971, 27220, 29612, 29942, 37015, 59884, 74030, 74855, 148060, 149710, 299420, 915953, 1831906, 3663812, 4579765, 9159530, 10075483, 18319060, 20150966, 40301932, 50377415, 100754830, 201509660]

約数ペア:

[(1, 201509660), (2, 100754830), (4, 50377415), (5, 40301932), (10, 20150966), (11, 18319060), (20, 10075483), (22, 9159530), (44, 4579765), (55, 3663812), (110, 1831906), (220, 915953), (673, 299420), (1346, 149710), (1361, 148060), (2692, 74855), (2722, 74030), (3365, 59884), (5444, 37015), (6730, 29942), (6805, 29612), (7403, 27220), (13460, 14971), (13610, 14806)]