78811980620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12199997}}^1$

素因数の和:12200042

約数の個数: 48

約数和(自身を含む): 184463969760

約数和(自身を除く): 105651989140

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, 12199997, 24399994, 48799988, 60999985, 121999970, 207399949, 231799943, 243999940, 414799898, 463599886, 829599796, 927199772, 1036999745, 1158999715, 2073999490, 2317999430, 3940599031, 4147998980, 4635998860, 7881198062, 15762396124, 19702995155, 39405990310, 78811980620]

約数ペア:

[(1, 78811980620), (2, 39405990310), (4, 19702995155), (5, 15762396124), (10, 7881198062), (17, 4635998860), (19, 4147998980), (20, 3940599031), (34, 2317999430), (38, 2073999490), (68, 1158999715), (76, 1036999745), (85, 927199772), (95, 829599796), (170, 463599886), (190, 414799898), (323, 243999940), (340, 231799943), (380, 207399949), (646, 121999970), (1292, 60999985), (1615, 48799988), (3230, 24399994), (6460, 12199997)]