131800460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 307676880

約数和(自身を除く): 175876420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 121, 214, 220, 242, 428, 484, 509, 535, 605, 1018, 1070, 1177, 1210, 2036, 2140, 2354, 2420, 2545, 4708, 5090, 5599, 5885, 10180, 11198, 11770, 12947, 22396, 23540, 25894, 27995, 51788, 54463, 55990, 61589, 64735, 108926, 111980, 123178, 129470, 217852, 246356, 258940, 272315, 307945, 544630, 599093, 615890, 1089260, 1198186, 1231780, 2396372, 2995465, 5990930, 6590023, 11981860, 13180046, 26360092, 32950115, 65900230, 131800460]

約数ペア:

[(1, 131800460), (2, 65900230), (4, 32950115), (5, 26360092), (10, 13180046), (11, 11981860), (20, 6590023), (22, 5990930), (44, 2995465), (55, 2396372), (107, 1231780), (110, 1198186), (121, 1089260), (214, 615890), (220, 599093), (242, 544630), (428, 307945), (484, 272315), (509, 258940), (535, 246356), (605, 217852), (1018, 129470), (1070, 123178), (1177, 111980), (1210, 108926), (2036, 64735), (2140, 61589), (2354, 55990), (2420, 54463), (2545, 51788), (4708, 27995), (5090, 25894), (5599, 23540), (5885, 22396), (10180, 12947), (11198, 11770)]