7831238380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2819}}^1\times {\mathrm{19843}}^1$

素因数の和:22678

約数の個数: 48

約数和(自身を含む): 18802586880

約数和(自身を除く): 10971348500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2819, 5638, 11276, 14095, 19733, 19843, 28190, 39466, 39686, 56380, 78932, 79372, 98665, 99215, 138901, 197330, 198430, 277802, 394660, 396860, 555604, 694505, 1389010, 2778020, 55937417, 111874834, 223749668, 279687085, 391561919, 559374170, 783123838, 1118748340, 1566247676, 1957809595, 3915619190, 7831238380]

約数ペア:

[(1, 7831238380), (2, 3915619190), (4, 1957809595), (5, 1566247676), (7, 1118748340), (10, 783123838), (14, 559374170), (20, 391561919), (28, 279687085), (35, 223749668), (70, 111874834), (140, 55937417), (2819, 2778020), (5638, 1389010), (11276, 694505), (14095, 555604), (19733, 396860), (19843, 394660), (28190, 277802), (39466, 198430), (39686, 197330), (56380, 138901), (78932, 99215), (79372, 98665)]