970100

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 36

約数和(自身を含む): 2148300

約数和(自身を除く): 1178200

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 109, 178, 218, 356, 436, 445, 545, 890, 1090, 1780, 2180, 2225, 2725, 4450, 5450, 8900, 9701, 10900, 19402, 38804, 48505, 97010, 194020, 242525, 485050, 970100]

約数ペア:

[(1, 970100), (2, 485050), (4, 242525), (5, 194020), (10, 97010), (20, 48505), (25, 38804), (50, 19402), (89, 10900), (100, 9701), (109, 8900), (178, 5450), (218, 4450), (356, 2725), (436, 2225), (445, 2180), (545, 1780), (890, 1090)]