1279163980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{198013}}^1$

素因数の和:198058

約数の個数: 48

約数和(自身を含む): 2993971680

約数和(自身を除く): 1714807700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 198013, 396026, 792052, 990065, 1980130, 3366221, 3762247, 3960260, 6732442, 7524494, 13464884, 15048988, 16831105, 18811235, 33662210, 37622470, 63958199, 67324420, 75244940, 127916398, 255832796, 319790995, 639581990, 1279163980]

約数ペア:

[(1, 1279163980), (2, 639581990), (4, 319790995), (5, 255832796), (10, 127916398), (17, 75244940), (19, 67324420), (20, 63958199), (34, 37622470), (38, 33662210), (68, 18811235), (76, 16831105), (85, 15048988), (95, 13464884), (170, 7524494), (190, 6732442), (323, 3960260), (340, 3762247), (380, 3366221), (646, 1980130), (1292, 990065), (1615, 792052), (3230, 396026), (6460, 198013)]