353983820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{3121}}^1$

素因数の和:3290

約数の個数: 48

約数和(自身を含む): 764715168

約数和(自身を除く): 410731348

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 107, 212, 214, 265, 428, 530, 535, 1060, 1070, 2140, 3121, 5671, 6242, 11342, 12484, 15605, 22684, 28355, 31210, 56710, 62420, 113420, 165413, 330826, 333947, 661652, 667894, 827065, 1335788, 1654130, 1669735, 3308260, 3339470, 6678940, 17699191, 35398382, 70796764, 88495955, 176991910, 353983820]

約数ペア:

[(1, 353983820), (2, 176991910), (4, 88495955), (5, 70796764), (10, 35398382), (20, 17699191), (53, 6678940), (106, 3339470), (107, 3308260), (212, 1669735), (214, 1654130), (265, 1335788), (428, 827065), (530, 667894), (535, 661652), (1060, 333947), (1070, 330826), (2140, 165413), (3121, 113420), (5671, 62420), (6242, 56710), (11342, 31210), (12484, 28355), (15605, 22684)]