129570650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2647}}^1$

素因数の和:2759

約数の個数: 48

約数和(自身を含む): 265965120

約数和(自身を除く): 136394470

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 178, 275, 445, 550, 890, 979, 1958, 2225, 2647, 4450, 4895, 5294, 9790, 13235, 24475, 26470, 29117, 48950, 58234, 66175, 132350, 145585, 235583, 291170, 471166, 727925, 1177915, 1455850, 2355830, 2591413, 5182826, 5889575, 11779150, 12957065, 25914130, 64785325, 129570650]

約数ペア:

[(1, 129570650), (2, 64785325), (5, 25914130), (10, 12957065), (11, 11779150), (22, 5889575), (25, 5182826), (50, 2591413), (55, 2355830), (89, 1455850), (110, 1177915), (178, 727925), (275, 471166), (445, 291170), (550, 235583), (890, 145585), (979, 132350), (1958, 66175), (2225, 58234), (2647, 48950), (4450, 29117), (4895, 26470), (5294, 24475), (9790, 13235)]