30733480

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^2\times {\mathrm{97}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 70657020

約数和(自身を除く): 39923540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 97, 178, 194, 356, 388, 445, 485, 712, 776, 890, 970, 1780, 1940, 3560, 3880, 7921, 8633, 15842, 17266, 31684, 34532, 39605, 43165, 63368, 69064, 79210, 86330, 158420, 172660, 316840, 345320, 768337, 1536674, 3073348, 3841685, 6146696, 7683370, 15366740, 30733480]

約数ペア:

[(1, 30733480), (2, 15366740), (4, 7683370), (5, 6146696), (8, 3841685), (10, 3073348), (20, 1536674), (40, 768337), (89, 345320), (97, 316840), (178, 172660), (194, 158420), (356, 86330), (388, 79210), (445, 69064), (485, 63368), (712, 43165), (776, 39605), (890, 34532), (970, 31684), (1780, 17266), (1940, 15842), (3560, 8633), (3880, 7921)]