2009179984

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{571}}^1$

素因数の和:1028

約数の個数: 80

約数和(自身を含む): 4519532160

約数和(自身を除く): 2510352176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 353, 356, 571, 623, 706, 712, 1142, 1246, 1412, 1424, 2284, 2471, 2492, 2824, 3997, 4568, 4942, 4984, 5648, 7994, 9136, 9884, 9968, 15988, 19768, 31417, 31976, 39536, 50819, 62834, 63952, 101638, 125668, 201563, 203276, 219919, 251336, 355733, 403126, 406552, 439838, 502672, 711466, 806252, 813104, 879676, 1410941, 1422932, 1612504, 1759352, 2821882, 2845864, 3225008, 3518704, 5643764, 5691728, 11287528, 17939107, 22575056, 35878214, 71756428, 125573749, 143512856, 251147498, 287025712, 502294996, 1004589992, 2009179984]

約数ペア:

[(1, 2009179984), (2, 1004589992), (4, 502294996), (7, 287025712), (8, 251147498), (14, 143512856), (16, 125573749), (28, 71756428), (56, 35878214), (89, 22575056), (112, 17939107), (178, 11287528), (353, 5691728), (356, 5643764), (571, 3518704), (623, 3225008), (706, 2845864), (712, 2821882), (1142, 1759352), (1246, 1612504), (1412, 1422932), (1424, 1410941), (2284, 879676), (2471, 813104), (2492, 806252), (2824, 711466), (3997, 502672), (4568, 439838), (4942, 406552), (4984, 403126), (5648, 355733), (7994, 251336), (9136, 219919), (9884, 203276), (9968, 201563), (15988, 125668), (19768, 101638), (31417, 63952), (31976, 62834), (39536, 50819)]