450398740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{23003}}^1$

素因数の和:23112

約数の個数: 48

約数和(自身を含む): 1043461440

約数和(自身を除く): 593062700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 19580, 23003, 46006, 92012, 115015, 230030, 253033, 460060, 506066, 1012132, 1265165, 2047267, 2530330, 4094534, 5060660, 8189068, 10236335, 20472670, 22519937, 40945340, 45039874, 90079748, 112599685, 225199370, 450398740]

約数ペア:

[(1, 450398740), (2, 225199370), (4, 112599685), (5, 90079748), (10, 45039874), (11, 40945340), (20, 22519937), (22, 20472670), (44, 10236335), (55, 8189068), (89, 5060660), (110, 4094534), (178, 2530330), (220, 2047267), (356, 1265165), (445, 1012132), (890, 506066), (979, 460060), (1780, 253033), (1958, 230030), (3916, 115015), (4895, 92012), (9790, 46006), (19580, 23003)]