2006367940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1\times {\mathrm{1489}}^1$

素因数の和:2344

約数の個数: 48

約数和(自身を含む): 4269207600

約数和(自身を除く): 2262839660

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 757, 890, 1489, 1514, 1780, 2978, 3028, 3785, 5956, 7445, 7570, 14890, 15140, 29780, 67373, 132521, 134746, 265042, 269492, 336865, 530084, 662605, 673730, 1127173, 1325210, 1347460, 2254346, 2650420, 4508692, 5635865, 11271730, 22543460, 100318397, 200636794, 401273588, 501591985, 1003183970, 2006367940]

約数ペア:

[(1, 2006367940), (2, 1003183970), (4, 501591985), (5, 401273588), (10, 200636794), (20, 100318397), (89, 22543460), (178, 11271730), (356, 5635865), (445, 4508692), (757, 2650420), (890, 2254346), (1489, 1347460), (1514, 1325210), (1780, 1127173), (2978, 673730), (3028, 662605), (3785, 530084), (5956, 336865), (7445, 269492), (7570, 265042), (14890, 134746), (15140, 132521), (29780, 67373)]