78901900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10247}}^1$

素因数の和:10279

約数の個数: 72

約数和(自身を含む): 213486336

約数和(自身を除く): 134584436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 10247, 20494, 40988, 51235, 71729, 102470, 112717, 143458, 204940, 225434, 256175, 286916, 358645, 450868, 512350, 563585, 717290, 789019, 1024700, 1127170, 1434580, 1578038, 1793225, 2254340, 2817925, 3156076, 3586450, 3945095, 5635850, 7172900, 7890190, 11271700, 15780380, 19725475, 39450950, 78901900]

約数ペア:

[(1, 78901900), (2, 39450950), (4, 19725475), (5, 15780380), (7, 11271700), (10, 7890190), (11, 7172900), (14, 5635850), (20, 3945095), (22, 3586450), (25, 3156076), (28, 2817925), (35, 2254340), (44, 1793225), (50, 1578038), (55, 1434580), (70, 1127170), (77, 1024700), (100, 789019), (110, 717290), (140, 563585), (154, 512350), (175, 450868), (220, 358645), (275, 286916), (308, 256175), (350, 225434), (385, 204940), (550, 143458), (700, 112717), (770, 102470), (1100, 71729), (1540, 51235), (1925, 40988), (3850, 20494), (7700, 10247)]