445778900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1297}}^1$

素因数の和:1809

約数の個数: 72

約数和(自身を含む): 1108637376

約数和(自身を除く): 662858476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 491, 700, 982, 1297, 1964, 2455, 2594, 3437, 4910, 5188, 6485, 6874, 9079, 9820, 12275, 12970, 13748, 17185, 18158, 24550, 25940, 32425, 34370, 36316, 45395, 49100, 64850, 68740, 85925, 90790, 129700, 171850, 181580, 226975, 343700, 453950, 636827, 907900, 1273654, 2547308, 3184135, 4457789, 6368270, 8915578, 12736540, 15920675, 17831156, 22288945, 31841350, 44577890, 63682700, 89155780, 111444725, 222889450, 445778900]

約数ペア:

[(1, 445778900), (2, 222889450), (4, 111444725), (5, 89155780), (7, 63682700), (10, 44577890), (14, 31841350), (20, 22288945), (25, 17831156), (28, 15920675), (35, 12736540), (50, 8915578), (70, 6368270), (100, 4457789), (140, 3184135), (175, 2547308), (350, 1273654), (491, 907900), (700, 636827), (982, 453950), (1297, 343700), (1964, 226975), (2455, 181580), (2594, 171850), (3437, 129700), (4910, 90790), (5188, 85925), (6485, 68740), (6874, 64850), (9079, 49100), (9820, 45395), (12275, 36316), (12970, 34370), (13748, 32425), (17185, 25940), (18158, 24550)]