51751900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 117554976

約数和(自身を除く): 65803076

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 71, 74, 100, 142, 148, 185, 197, 284, 355, 370, 394, 710, 740, 788, 925, 985, 1420, 1775, 1850, 1970, 2627, 3550, 3700, 3940, 4925, 5254, 7100, 7289, 9850, 10508, 13135, 13987, 14578, 19700, 26270, 27974, 29156, 36445, 52540, 55948, 65675, 69935, 72890, 131350, 139870, 145780, 182225, 262700, 279740, 349675, 364450, 517519, 699350, 728900, 1035038, 1398700, 2070076, 2587595, 5175190, 10350380, 12937975, 25875950, 51751900]

約数ペア:

[(1, 51751900), (2, 25875950), (4, 12937975), (5, 10350380), (10, 5175190), (20, 2587595), (25, 2070076), (37, 1398700), (50, 1035038), (71, 728900), (74, 699350), (100, 517519), (142, 364450), (148, 349675), (185, 279740), (197, 262700), (284, 182225), (355, 145780), (370, 139870), (394, 131350), (710, 72890), (740, 69935), (788, 65675), (925, 55948), (985, 52540), (1420, 36445), (1775, 29156), (1850, 27974), (1970, 26270), (2627, 19700), (3550, 14578), (3700, 13987), (3940, 13135), (4925, 10508), (5254, 9850), (7100, 7289)]