19221000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 61776000

約数和(自身を除く): 42555000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 43, 50, 60, 75, 86, 100, 120, 125, 129, 149, 150, 172, 200, 215, 250, 258, 298, 300, 344, 375, 430, 447, 500, 516, 596, 600, 645, 745, 750, 860, 894, 1000, 1032, 1075, 1192, 1290, 1490, 1500, 1720, 1788, 2150, 2235, 2580, 2980, 3000, 3225, 3576, 3725, 4300, 4470, 5160, 5375, 5960, 6407, 6450, 7450, 8600, 8940, 10750, 11175, 12814, 12900, 14900, 16125, 17880, 18625, 19221, 21500, 22350, 25628, 25800, 29800, 32035, 32250, 37250, 38442, 43000, 44700, 51256, 55875, 64070, 64500, 74500, 76884, 89400, 96105, 111750, 128140, 129000, 149000, 153768, 160175, 192210, 223500, 256280, 320350, 384420, 447000, 480525, 640700, 768840, 800875, 961050, 1281400, 1601750, 1922100, 2402625, 3203500, 3844200, 4805250, 6407000, 9610500, 19221000]

約数ペア:

[(1, 19221000), (2, 9610500), (3, 6407000), (4, 4805250), (5, 3844200), (6, 3203500), (8, 2402625), (10, 1922100), (12, 1601750), (15, 1281400), (20, 961050), (24, 800875), (25, 768840), (30, 640700), (40, 480525), (43, 447000), (50, 384420), (60, 320350), (75, 256280), (86, 223500), (100, 192210), (120, 160175), (125, 153768), (129, 149000), (149, 129000), (150, 128140), (172, 111750), (200, 96105), (215, 89400), (250, 76884), (258, 74500), (298, 64500), (300, 64070), (344, 55875), (375, 51256), (430, 44700), (447, 43000), (500, 38442), (516, 37250), (596, 32250), (600, 32035), (645, 29800), (745, 25800), (750, 25628), (860, 22350), (894, 21500), (1000, 19221), (1032, 18625), (1075, 17880), (1192, 16125), (1290, 14900), (1490, 12900), (1500, 12814), (1720, 11175), (1788, 10750), (2150, 8940), (2235, 8600), (2580, 7450), (2980, 6450), (3000, 6407), (3225, 5960), (3576, 5375), (3725, 5160), (4300, 4470)]