201971840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{45083}}^1$

素因数の和:45109

約数の個数: 64

約数和(自身を含む): 551828160

約数和(自身を除く): 349856320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 45083, 90166, 180332, 225415, 315581, 360664, 450830, 631162, 721328, 901660, 1262324, 1442656, 1577905, 1803320, 2524648, 2885312, 3155810, 3606640, 5049296, 5770624, 6311620, 7213280, 10098592, 12623240, 14426560, 20197184, 25246480, 28853120, 40394368, 50492960, 100985920, 201971840]

約数ペア:

[(1, 201971840), (2, 100985920), (4, 50492960), (5, 40394368), (7, 28853120), (8, 25246480), (10, 20197184), (14, 14426560), (16, 12623240), (20, 10098592), (28, 7213280), (32, 6311620), (35, 5770624), (40, 5049296), (56, 3606640), (64, 3155810), (70, 2885312), (80, 2524648), (112, 1803320), (128, 1577905), (140, 1442656), (160, 1262324), (224, 901660), (280, 721328), (320, 631162), (448, 450830), (560, 360664), (640, 315581), (896, 225415), (1120, 180332), (2240, 90166), (4480, 45083)]