31381140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74717}}^1$

素因数の和:74736

約数の個数: 48

約数和(自身を含む): 100420992

約数和(自身を除く): 69039852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 74717, 149434, 224151, 298868, 373585, 448302, 523019, 747170, 896604, 1046038, 1120755, 1494340, 1569057, 2092076, 2241510, 2615095, 3138114, 4483020, 5230190, 6276228, 7845285, 10460380, 15690570, 31381140]

約数ペア:

[(1, 31381140), (2, 15690570), (3, 10460380), (4, 7845285), (5, 6276228), (6, 5230190), (7, 4483020), (10, 3138114), (12, 2615095), (14, 2241510), (15, 2092076), (20, 1569057), (21, 1494340), (28, 1120755), (30, 1046038), (35, 896604), (42, 747170), (60, 523019), (70, 448302), (84, 373585), (105, 298868), (140, 224151), (210, 149434), (420, 74717)]