19783800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 68913000

約数和(自身を除く): 49129200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 29, 30, 36, 40, 45, 50, 58, 60, 72, 75, 87, 90, 100, 116, 120, 145, 150, 174, 180, 200, 225, 232, 261, 290, 300, 348, 360, 379, 435, 450, 522, 580, 600, 696, 725, 758, 870, 900, 1044, 1137, 1160, 1305, 1450, 1516, 1740, 1800, 1895, 2088, 2175, 2274, 2610, 2900, 3032, 3411, 3480, 3790, 4350, 4548, 5220, 5685, 5800, 6525, 6822, 7580, 8700, 9096, 9475, 10440, 10991, 11370, 13050, 13644, 15160, 17055, 17400, 18950, 21982, 22740, 26100, 27288, 28425, 32973, 34110, 37900, 43964, 45480, 52200, 54955, 56850, 65946, 68220, 75800, 85275, 87928, 98919, 109910, 113700, 131892, 136440, 164865, 170550, 197838, 219820, 227400, 263784, 274775, 329730, 341100, 395676, 439640, 494595, 549550, 659460, 682200, 791352, 824325, 989190, 1099100, 1318920, 1648650, 1978380, 2198200, 2472975, 3297300, 3956760, 4945950, 6594600, 9891900, 19783800]

約数ペア:

[(1, 19783800), (2, 9891900), (3, 6594600), (4, 4945950), (5, 3956760), (6, 3297300), (8, 2472975), (9, 2198200), (10, 1978380), (12, 1648650), (15, 1318920), (18, 1099100), (20, 989190), (24, 824325), (25, 791352), (29, 682200), (30, 659460), (36, 549550), (40, 494595), (45, 439640), (50, 395676), (58, 341100), (60, 329730), (72, 274775), (75, 263784), (87, 227400), (90, 219820), (100, 197838), (116, 170550), (120, 164865), (145, 136440), (150, 131892), (174, 113700), (180, 109910), (200, 98919), (225, 87928), (232, 85275), (261, 75800), (290, 68220), (300, 65946), (348, 56850), (360, 54955), (379, 52200), (435, 45480), (450, 43964), (522, 37900), (580, 34110), (600, 32973), (696, 28425), (725, 27288), (758, 26100), (870, 22740), (900, 21982), (1044, 18950), (1137, 17400), (1160, 17055), (1305, 15160), (1450, 13644), (1516, 13050), (1740, 11370), (1800, 10991), (1895, 10440), (2088, 9475), (2175, 9096), (2274, 8700), (2610, 7580), (2900, 6822), (3032, 6525), (3411, 5800), (3480, 5685), (3790, 5220), (4350, 4548)]