897881110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{100999}}^1$

素因数の和:101140

約数の個数: 32

約数和(自身を含む): 1861632000

約数和(自身を除く): 963750890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 4445, 8890, 100999, 201998, 504995, 706993, 1009990, 1413986, 3534965, 7069930, 12826873, 25653746, 64134365, 89788111, 128268730, 179576222, 448940555, 897881110]

約数ペア:

[(1, 897881110), (2, 448940555), (5, 179576222), (7, 128268730), (10, 89788111), (14, 64134365), (35, 25653746), (70, 12826873), (127, 7069930), (254, 3534965), (635, 1413986), (889, 1009990), (1270, 706993), (1778, 504995), (4445, 201998), (8890, 100999)]