201609496820

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2371}}^1\times {\mathrm{17789}}^1$

素因数の和:20408

約数の個数: 48

約数和(自身を含む): 425354630400

約数和(自身を除く): 223745133580

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2371, 2390, 4742, 4780, 9484, 11855, 17789, 23710, 35578, 47420, 71156, 88945, 177890, 355780, 566669, 1133338, 2266676, 2833345, 4251571, 5666690, 8503142, 11333380, 17006284, 21257855, 42177719, 42515710, 84355438, 85031420, 168710876, 210888595, 421777190, 843554380, 10080474841, 20160949682, 40321899364, 50402374205, 100804748410, 201609496820]

約数ペア:

[(1, 201609496820), (2, 100804748410), (4, 50402374205), (5, 40321899364), (10, 20160949682), (20, 10080474841), (239, 843554380), (478, 421777190), (956, 210888595), (1195, 168710876), (2371, 85031420), (2390, 84355438), (4742, 42515710), (4780, 42177719), (9484, 21257855), (11855, 17006284), (17789, 11333380), (23710, 8503142), (35578, 5666690), (47420, 4251571), (71156, 2833345), (88945, 2266676), (177890, 1133338), (355780, 566669)]