658961780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{8293}}^1$

素因数の和:8468

約数の個数: 48

約数和(自身を含む): 1442160720

約数和(自身を除く): 783198940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 274, 290, 548, 580, 685, 1370, 2740, 3973, 7946, 8293, 15892, 16586, 19865, 33172, 39730, 41465, 79460, 82930, 165860, 240497, 480994, 961988, 1136141, 1202485, 2272282, 2404970, 4544564, 4809940, 5680705, 11361410, 22722820, 32948089, 65896178, 131792356, 164740445, 329480890, 658961780]

約数ペア:

[(1, 658961780), (2, 329480890), (4, 164740445), (5, 131792356), (10, 65896178), (20, 32948089), (29, 22722820), (58, 11361410), (116, 5680705), (137, 4809940), (145, 4544564), (274, 2404970), (290, 2272282), (548, 1202485), (580, 1136141), (685, 961988), (1370, 480994), (2740, 240497), (3973, 165860), (7946, 82930), (8293, 79460), (15892, 41465), (16586, 39730), (19865, 33172)]