900285880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{55849}}^1$

素因数の和:55904

約数の個数: 64

約数和(自身を含む): 2251872000

約数和(自身を除く): 1351586120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 55849, 111698, 223396, 279245, 446792, 558490, 726037, 1116980, 1452074, 1731319, 2233960, 2904148, 3462638, 3630185, 5808296, 6925276, 7260370, 8656595, 13850552, 14520740, 17313190, 22507147, 29041480, 34626380, 45014294, 69252760, 90028588, 112535735, 180057176, 225071470, 450142940, 900285880]

約数ペア:

[(1, 900285880), (2, 450142940), (4, 225071470), (5, 180057176), (8, 112535735), (10, 90028588), (13, 69252760), (20, 45014294), (26, 34626380), (31, 29041480), (40, 22507147), (52, 17313190), (62, 14520740), (65, 13850552), (104, 8656595), (124, 7260370), (130, 6925276), (155, 5808296), (248, 3630185), (260, 3462638), (310, 2904148), (403, 2233960), (520, 1731319), (620, 1452074), (806, 1116980), (1240, 726037), (1612, 558490), (2015, 446792), (3224, 279245), (4030, 223396), (8060, 111698), (16120, 55849)]