9790900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 24748416

約数和(自身を除く): 14957516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 197, 284, 350, 355, 394, 497, 700, 710, 788, 985, 994, 1379, 1420, 1775, 1970, 1988, 2485, 2758, 3550, 3940, 4925, 4970, 5516, 6895, 7100, 9850, 9940, 12425, 13790, 13987, 19700, 24850, 27580, 27974, 34475, 49700, 55948, 68950, 69935, 97909, 137900, 139870, 195818, 279740, 349675, 391636, 489545, 699350, 979090, 1398700, 1958180, 2447725, 4895450, 9790900]

約数ペア:

[(1, 9790900), (2, 4895450), (4, 2447725), (5, 1958180), (7, 1398700), (10, 979090), (14, 699350), (20, 489545), (25, 391636), (28, 349675), (35, 279740), (50, 195818), (70, 139870), (71, 137900), (100, 97909), (140, 69935), (142, 68950), (175, 55948), (197, 49700), (284, 34475), (350, 27974), (355, 27580), (394, 24850), (497, 19700), (700, 13987), (710, 13790), (788, 12425), (985, 9940), (994, 9850), (1379, 7100), (1420, 6895), (1775, 5516), (1970, 4970), (1988, 4925), (2485, 3940), (2758, 3550)]