131911450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{643}}^1$

素因数の和:1039

約数の個数: 48

約数和(自身を含む): 268795296

約数和(自身を除く): 136883846

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 373, 550, 643, 746, 1286, 1865, 3215, 3730, 4103, 6430, 7073, 8206, 9325, 14146, 16075, 18650, 20515, 32150, 35365, 41030, 70730, 102575, 176825, 205150, 239839, 353650, 479678, 1199195, 2398390, 2638229, 5276458, 5995975, 11991950, 13191145, 26382290, 65955725, 131911450]

約数ペア:

[(1, 131911450), (2, 65955725), (5, 26382290), (10, 13191145), (11, 11991950), (22, 5995975), (25, 5276458), (50, 2638229), (55, 2398390), (110, 1199195), (275, 479678), (373, 353650), (550, 239839), (643, 205150), (746, 176825), (1286, 102575), (1865, 70730), (3215, 41030), (3730, 35365), (4103, 32150), (6430, 20515), (7073, 18650), (8206, 16075), (9325, 14146)]