222552520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2753}}^1$

素因数の和:2854

約数の個数: 64

約数和(自身を含む): 523480320

約数和(自身を除く): 300927800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1720, 1880, 2021, 2753, 4042, 5506, 8084, 10105, 11012, 13765, 16168, 20210, 22024, 27530, 40420, 55060, 80840, 110120, 118379, 129391, 236758, 258782, 473516, 517564, 591895, 646955, 947032, 1035128, 1183790, 1293910, 2367580, 2587820, 4735160, 5175640, 5563813, 11127626, 22255252, 27819065, 44510504, 55638130, 111276260, 222552520]

約数ペア:

[(1, 222552520), (2, 111276260), (4, 55638130), (5, 44510504), (8, 27819065), (10, 22255252), (20, 11127626), (40, 5563813), (43, 5175640), (47, 4735160), (86, 2587820), (94, 2367580), (172, 1293910), (188, 1183790), (215, 1035128), (235, 947032), (344, 646955), (376, 591895), (430, 517564), (470, 473516), (860, 258782), (940, 236758), (1720, 129391), (1880, 118379), (2021, 110120), (2753, 80840), (4042, 55060), (5506, 40420), (8084, 27530), (10105, 22024), (11012, 20210), (13765, 16168)]