31503463180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{231269}}^1$

素因数の和:231431

約数の個数: 72

約数和(自身を含む): 77512453200

約数和(自身を除く): 46008990020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 490, 556, 695, 973, 980, 1390, 1946, 2780, 3892, 4865, 6811, 9730, 13622, 19460, 27244, 34055, 68110, 136220, 231269, 462538, 925076, 1156345, 1618883, 2312690, 3237766, 4625380, 6475532, 8094415, 11332181, 16188830, 22664362, 32146391, 32377660, 45328724, 56660905, 64292782, 113321810, 128585564, 160731955, 225024737, 226643620, 321463910, 450049474, 642927820, 900098948, 1125123685, 1575173159, 2250247370, 3150346318, 4500494740, 6300692636, 7875865795, 15751731590, 31503463180]

約数ペア:

[(1, 31503463180), (2, 15751731590), (4, 7875865795), (5, 6300692636), (7, 4500494740), (10, 3150346318), (14, 2250247370), (20, 1575173159), (28, 1125123685), (35, 900098948), (49, 642927820), (70, 450049474), (98, 321463910), (139, 226643620), (140, 225024737), (196, 160731955), (245, 128585564), (278, 113321810), (490, 64292782), (556, 56660905), (695, 45328724), (973, 32377660), (980, 32146391), (1390, 22664362), (1946, 16188830), (2780, 11332181), (3892, 8094415), (4865, 6475532), (6811, 4625380), (9730, 3237766), (13622, 2312690), (19460, 1618883), (27244, 1156345), (34055, 925076), (68110, 462538), (136220, 231269)]