21278049400

素因数分解:

$2^3\times 5^2\times {\mathrm{191}}^1\times {\mathrm{557017}}^1$

素因数の和:557224

約数の個数: 48

約数和(自身を含む): 49730567040

約数和(自身を除く): 28452517640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 191, 200, 382, 764, 955, 1528, 1910, 3820, 4775, 7640, 9550, 19100, 38200, 557017, 1114034, 2228068, 2785085, 4456136, 5570170, 11140340, 13925425, 22280680, 27850850, 55701700, 106390247, 111403400, 212780494, 425560988, 531951235, 851121976, 1063902470, 2127804940, 2659756175, 4255609880, 5319512350, 10639024700, 21278049400]

約数ペア:

[(1, 21278049400), (2, 10639024700), (4, 5319512350), (5, 4255609880), (8, 2659756175), (10, 2127804940), (20, 1063902470), (25, 851121976), (40, 531951235), (50, 425560988), (100, 212780494), (191, 111403400), (200, 106390247), (382, 55701700), (764, 27850850), (955, 22280680), (1528, 13925425), (1910, 11140340), (3820, 5570170), (4775, 4456136), (7640, 2785085), (9550, 2228068), (19100, 1114034), (38200, 557017)]