19779000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 65145600

約数和(自身を除く): 45366600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 125, 150, 152, 190, 200, 228, 250, 285, 300, 347, 375, 380, 456, 475, 500, 570, 600, 694, 750, 760, 950, 1000, 1041, 1140, 1388, 1425, 1500, 1735, 1900, 2082, 2280, 2375, 2776, 2850, 3000, 3470, 3800, 4164, 4750, 5205, 5700, 6593, 6940, 7125, 8328, 8675, 9500, 10410, 11400, 13186, 13880, 14250, 17350, 19000, 19779, 20820, 26025, 26372, 28500, 32965, 34700, 39558, 41640, 43375, 52050, 52744, 57000, 65930, 69400, 79116, 86750, 98895, 104100, 130125, 131860, 158232, 164825, 173500, 197790, 208200, 260250, 263720, 329650, 347000, 395580, 494475, 520500, 659300, 791160, 824125, 988950, 1041000, 1318600, 1648250, 1977900, 2472375, 3296500, 3955800, 4944750, 6593000, 9889500, 19779000]

約数ペア:

[(1, 19779000), (2, 9889500), (3, 6593000), (4, 4944750), (5, 3955800), (6, 3296500), (8, 2472375), (10, 1977900), (12, 1648250), (15, 1318600), (19, 1041000), (20, 988950), (24, 824125), (25, 791160), (30, 659300), (38, 520500), (40, 494475), (50, 395580), (57, 347000), (60, 329650), (75, 263720), (76, 260250), (95, 208200), (100, 197790), (114, 173500), (120, 164825), (125, 158232), (150, 131860), (152, 130125), (190, 104100), (200, 98895), (228, 86750), (250, 79116), (285, 69400), (300, 65930), (347, 57000), (375, 52744), (380, 52050), (456, 43375), (475, 41640), (500, 39558), (570, 34700), (600, 32965), (694, 28500), (750, 26372), (760, 26025), (950, 20820), (1000, 19779), (1041, 19000), (1140, 17350), (1388, 14250), (1425, 13880), (1500, 13186), (1735, 11400), (1900, 10410), (2082, 9500), (2280, 8675), (2375, 8328), (2776, 7125), (2850, 6940), (3000, 6593), (3470, 5700), (3800, 5205), (4164, 4750)]