199976710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{1301}}^1$

素因数の和:2136

約数の個数: 32

約数和(自身を含む): 379663200

約数和(自身を除く): 179686490

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 809, 1301, 1618, 2602, 4045, 6505, 8090, 13010, 15371, 24719, 30742, 49438, 76855, 123595, 153710, 247190, 1052509, 2105018, 5262545, 10525090, 19997671, 39995342, 99988355, 199976710]

約数ペア:

[(1, 199976710), (2, 99988355), (5, 39995342), (10, 19997671), (19, 10525090), (38, 5262545), (95, 2105018), (190, 1052509), (809, 247190), (1301, 153710), (1618, 123595), (2602, 76855), (4045, 49438), (6505, 30742), (8090, 24719), (13010, 15371)]