1900284680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{969533}}^1$

素因数の和:969558

約数の個数: 48

約数和(自身を含む): 4973709420

約数和(自身を除く): 3073424740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 969533, 1939066, 3878132, 4847665, 6786731, 7756264, 9695330, 13573462, 19390660, 27146924, 33933655, 38781320, 47507117, 54293848, 67867310, 95014234, 135734620, 190028468, 237535585, 271469240, 380056936, 475071170, 950142340, 1900284680]

約数ペア:

[(1, 1900284680), (2, 950142340), (4, 475071170), (5, 380056936), (7, 271469240), (8, 237535585), (10, 190028468), (14, 135734620), (20, 95014234), (28, 67867310), (35, 54293848), (40, 47507117), (49, 38781320), (56, 33933655), (70, 27146924), (98, 19390660), (140, 13573462), (196, 9695330), (245, 7756264), (280, 6786731), (392, 4847665), (490, 3878132), (980, 1939066), (1960, 969533)]