47908900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 113195880

約数和(自身を除く): 65286980

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 137, 260, 269, 274, 325, 538, 548, 650, 685, 1076, 1300, 1345, 1370, 1781, 2690, 2740, 3425, 3497, 3562, 5380, 6725, 6850, 6994, 7124, 8905, 13450, 13700, 13988, 17485, 17810, 26900, 34970, 35620, 36853, 44525, 69940, 73706, 87425, 89050, 147412, 174850, 178100, 184265, 349700, 368530, 479089, 737060, 921325, 958178, 1842650, 1916356, 2395445, 3685300, 4790890, 9581780, 11977225, 23954450, 47908900]

約数ペア:

[(1, 47908900), (2, 23954450), (4, 11977225), (5, 9581780), (10, 4790890), (13, 3685300), (20, 2395445), (25, 1916356), (26, 1842650), (50, 958178), (52, 921325), (65, 737060), (100, 479089), (130, 368530), (137, 349700), (260, 184265), (269, 178100), (274, 174850), (325, 147412), (538, 89050), (548, 87425), (650, 73706), (685, 69940), (1076, 44525), (1300, 36853), (1345, 35620), (1370, 34970), (1781, 26900), (2690, 17810), (2740, 17485), (3425, 13988), (3497, 13700), (3562, 13450), (5380, 8905), (6725, 7124), (6850, 6994)]