206821760

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3631}}^1$

素因数の和:3739

約数の個数: 64

約数和(自身を含む): 500126400

約数和(自身を除く): 293304640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1424, 1780, 2848, 3560, 3631, 5696, 7120, 7262, 11392, 14240, 14524, 18155, 28480, 29048, 36310, 56960, 58096, 72620, 116192, 145240, 232384, 290480, 323159, 464768, 580960, 646318, 1161920, 1292636, 1615795, 2323840, 2585272, 3231590, 5170544, 6463180, 10341088, 12926360, 20682176, 25852720, 41364352, 51705440, 103410880, 206821760]

約数ペア:

[(1, 206821760), (2, 103410880), (4, 51705440), (5, 41364352), (8, 25852720), (10, 20682176), (16, 12926360), (20, 10341088), (32, 6463180), (40, 5170544), (64, 3231590), (80, 2585272), (89, 2323840), (128, 1615795), (160, 1292636), (178, 1161920), (320, 646318), (356, 580960), (445, 464768), (640, 323159), (712, 290480), (890, 232384), (1424, 145240), (1780, 116192), (2848, 72620), (3560, 58096), (3631, 56960), (5696, 36310), (7120, 29048), (7262, 28480), (11392, 18155), (14240, 14524)]