199978600

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{14083}}^1$

素因数の和:14170

約数の個数: 48

約数和(自身を含む): 471532320

約数和(自身を除く): 271553720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 7100, 14083, 14200, 28166, 56332, 70415, 112664, 140830, 281660, 352075, 563320, 704150, 999893, 1408300, 1999786, 2816600, 3999572, 4999465, 7999144, 9998930, 19997860, 24997325, 39995720, 49994650, 99989300, 199978600]

約数ペア:

[(1, 199978600), (2, 99989300), (4, 49994650), (5, 39995720), (8, 24997325), (10, 19997860), (20, 9998930), (25, 7999144), (40, 4999465), (50, 3999572), (71, 2816600), (100, 1999786), (142, 1408300), (200, 999893), (284, 704150), (355, 563320), (568, 352075), (710, 281660), (1420, 140830), (1775, 112664), (2840, 70415), (3550, 56332), (7100, 28166), (14083, 14200)]