20161611050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{265459}}^1$

素因数の和:265516

約数の個数: 72

約数和(自身を含む): 45030510720

約数和(自身を除く): 24868899670

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 49, 50, 62, 70, 98, 155, 175, 217, 245, 310, 350, 434, 490, 775, 1085, 1225, 1519, 1550, 2170, 2450, 3038, 5425, 7595, 10850, 15190, 37975, 75950, 265459, 530918, 1327295, 1858213, 2654590, 3716426, 6636475, 8229229, 9291065, 13007491, 13272950, 16458458, 18582130, 26014982, 41146145, 46455325, 57604603, 65037455, 82292290, 92910650, 115209206, 130074910, 205730725, 288023015, 325187275, 403232221, 411461450, 576046030, 650374550, 806464442, 1440115075, 2016161105, 2880230150, 4032322210, 10080805525, 20161611050]

約数ペア:

[(1, 20161611050), (2, 10080805525), (5, 4032322210), (7, 2880230150), (10, 2016161105), (14, 1440115075), (25, 806464442), (31, 650374550), (35, 576046030), (49, 411461450), (50, 403232221), (62, 325187275), (70, 288023015), (98, 205730725), (155, 130074910), (175, 115209206), (217, 92910650), (245, 82292290), (310, 65037455), (350, 57604603), (434, 46455325), (490, 41146145), (775, 26014982), (1085, 18582130), (1225, 16458458), (1519, 13272950), (1550, 13007491), (2170, 9291065), (2450, 8229229), (3038, 6636475), (5425, 3716426), (7595, 2654590), (10850, 1858213), (15190, 1327295), (37975, 530918), (75950, 265459)]