130052420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{317}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 278713008

約数和(自身を除く): 148660588

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 281, 292, 317, 365, 562, 634, 730, 1124, 1268, 1405, 1460, 1585, 2810, 3170, 5620, 6340, 20513, 23141, 41026, 46282, 82052, 89077, 92564, 102565, 115705, 178154, 205130, 231410, 356308, 410260, 445385, 462820, 890770, 1781540, 6502621, 13005242, 26010484, 32513105, 65026210, 130052420]

約数ペア:

[(1, 130052420), (2, 65026210), (4, 32513105), (5, 26010484), (10, 13005242), (20, 6502621), (73, 1781540), (146, 890770), (281, 462820), (292, 445385), (317, 410260), (365, 356308), (562, 231410), (634, 205130), (730, 178154), (1124, 115705), (1268, 102565), (1405, 92564), (1460, 89077), (1585, 82052), (2810, 46282), (3170, 41026), (5620, 23141), (6340, 20513)]