31906420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 84446208

約数和(自身を除く): 52539788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 47, 52, 65, 70, 91, 94, 130, 140, 182, 188, 235, 260, 329, 364, 373, 455, 470, 611, 658, 746, 910, 940, 1222, 1316, 1492, 1645, 1820, 1865, 2444, 2611, 3055, 3290, 3730, 4277, 4849, 5222, 6110, 6580, 7460, 8554, 9698, 10444, 12220, 13055, 17108, 17531, 19396, 21385, 24245, 26110, 33943, 35062, 42770, 48490, 52220, 67886, 70124, 85540, 87655, 96980, 122717, 135772, 169715, 175310, 227903, 245434, 339430, 350620, 455806, 490868, 613585, 678860, 911612, 1139515, 1227170, 1595321, 2279030, 2454340, 3190642, 4558060, 6381284, 7976605, 15953210, 31906420]

約数ペア:

[(1, 31906420), (2, 15953210), (4, 7976605), (5, 6381284), (7, 4558060), (10, 3190642), (13, 2454340), (14, 2279030), (20, 1595321), (26, 1227170), (28, 1139515), (35, 911612), (47, 678860), (52, 613585), (65, 490868), (70, 455806), (91, 350620), (94, 339430), (130, 245434), (140, 227903), (182, 175310), (188, 169715), (235, 135772), (260, 122717), (329, 96980), (364, 87655), (373, 85540), (455, 70124), (470, 67886), (611, 52220), (658, 48490), (746, 42770), (910, 35062), (940, 33943), (1222, 26110), (1316, 24245), (1492, 21385), (1645, 19396), (1820, 17531), (1865, 17108), (2444, 13055), (2611, 12220), (3055, 10444), (3290, 9698), (3730, 8554), (4277, 7460), (4849, 6580), (5222, 6110)]