12442340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 27820800

約数和(自身を除く): 15378460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 239, 274, 380, 478, 548, 685, 956, 1195, 1370, 2390, 2603, 2740, 4541, 4780, 5206, 9082, 10412, 13015, 18164, 22705, 26030, 32743, 45410, 52060, 65486, 90820, 130972, 163715, 327430, 622117, 654860, 1244234, 2488468, 3110585, 6221170, 12442340]

約数ペア:

[(1, 12442340), (2, 6221170), (4, 3110585), (5, 2488468), (10, 1244234), (19, 654860), (20, 622117), (38, 327430), (76, 163715), (95, 130972), (137, 90820), (190, 65486), (239, 52060), (274, 45410), (380, 32743), (478, 26030), (548, 22705), (685, 18164), (956, 13015), (1195, 10412), (1370, 9082), (2390, 5206), (2603, 4780), (2740, 4541)]