210325640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{107309}}^1$

素因数の和:107334

約数の個数: 48

約数和(自身を含む): 550500300

約数和(自身を除く): 340174660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 107309, 214618, 429236, 536545, 751163, 858472, 1073090, 1502326, 2146180, 3004652, 3755815, 4292360, 5258141, 6009304, 7511630, 10516282, 15023260, 21032564, 26290705, 30046520, 42065128, 52581410, 105162820, 210325640]

約数ペア:

[(1, 210325640), (2, 105162820), (4, 52581410), (5, 42065128), (7, 30046520), (8, 26290705), (10, 21032564), (14, 15023260), (20, 10516282), (28, 7511630), (35, 6009304), (40, 5258141), (49, 4292360), (56, 3755815), (70, 3004652), (98, 2146180), (140, 1502326), (196, 1073090), (245, 858472), (280, 751163), (392, 536545), (490, 429236), (980, 214618), (1960, 107309)]