19697400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 68477760

約数和(自身を除く): 48780360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 31, 36, 40, 45, 50, 60, 62, 72, 75, 90, 93, 100, 120, 124, 150, 155, 180, 186, 200, 225, 248, 279, 300, 310, 353, 360, 372, 450, 465, 558, 600, 620, 706, 744, 775, 900, 930, 1059, 1116, 1240, 1395, 1412, 1550, 1765, 1800, 1860, 2118, 2232, 2325, 2790, 2824, 3100, 3177, 3530, 3720, 4236, 4650, 5295, 5580, 6200, 6354, 6975, 7060, 8472, 8825, 9300, 10590, 10943, 11160, 12708, 13950, 14120, 15885, 17650, 18600, 21180, 21886, 25416, 26475, 27900, 31770, 32829, 35300, 42360, 43772, 52950, 54715, 55800, 63540, 65658, 70600, 79425, 87544, 98487, 105900, 109430, 127080, 131316, 158850, 164145, 196974, 211800, 218860, 262632, 273575, 317700, 328290, 393948, 437720, 492435, 547150, 635400, 656580, 787896, 820725, 984870, 1094300, 1313160, 1641450, 1969740, 2188600, 2462175, 3282900, 3939480, 4924350, 6565800, 9848700, 19697400]

約数ペア:

[(1, 19697400), (2, 9848700), (3, 6565800), (4, 4924350), (5, 3939480), (6, 3282900), (8, 2462175), (9, 2188600), (10, 1969740), (12, 1641450), (15, 1313160), (18, 1094300), (20, 984870), (24, 820725), (25, 787896), (30, 656580), (31, 635400), (36, 547150), (40, 492435), (45, 437720), (50, 393948), (60, 328290), (62, 317700), (72, 273575), (75, 262632), (90, 218860), (93, 211800), (100, 196974), (120, 164145), (124, 158850), (150, 131316), (155, 127080), (180, 109430), (186, 105900), (200, 98487), (225, 87544), (248, 79425), (279, 70600), (300, 65658), (310, 63540), (353, 55800), (360, 54715), (372, 52950), (450, 43772), (465, 42360), (558, 35300), (600, 32829), (620, 31770), (706, 27900), (744, 26475), (775, 25416), (900, 21886), (930, 21180), (1059, 18600), (1116, 17650), (1240, 15885), (1395, 14120), (1412, 13950), (1550, 12708), (1765, 11160), (1800, 10943), (1860, 10590), (2118, 9300), (2232, 8825), (2325, 8472), (2790, 7060), (2824, 6975), (3100, 6354), (3177, 6200), (3530, 5580), (3720, 5295), (4236, 4650)]