998889200

素因数分解:

$2^4\times 5^2\times {\mathrm{743}}^1\times {\mathrm{3361}}^1$

素因数の和:4122

約数の個数: 60

約数和(自身を含む): 2403776208

約数和(自身を除く): 1404887008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 743, 1486, 2972, 3361, 3715, 5944, 6722, 7430, 11888, 13444, 14860, 16805, 18575, 26888, 29720, 33610, 37150, 53776, 59440, 67220, 74300, 84025, 134440, 148600, 168050, 268880, 297200, 336100, 672200, 1344400, 2497223, 4994446, 9988892, 12486115, 19977784, 24972230, 39955568, 49944460, 62430575, 99888920, 124861150, 199777840, 249722300, 499444600, 998889200]

約数ペア:

[(1, 998889200), (2, 499444600), (4, 249722300), (5, 199777840), (8, 124861150), (10, 99888920), (16, 62430575), (20, 49944460), (25, 39955568), (40, 24972230), (50, 19977784), (80, 12486115), (100, 9988892), (200, 4994446), (400, 2497223), (743, 1344400), (1486, 672200), (2972, 336100), (3361, 297200), (3715, 268880), (5944, 168050), (6722, 148600), (7430, 134440), (11888, 84025), (13444, 74300), (14860, 67220), (16805, 59440), (18575, 53776), (26888, 37150), (29720, 33610)]