18904200

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{643}}^1$

素因数の和:676

約数の個数: 144

約数和(自身を含む): 68276880

約数和(自身を除く): 49372680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 525, 588, 600, 643, 700, 735, 840, 980, 1050, 1176, 1225, 1286, 1400, 1470, 1929, 1960, 2100, 2450, 2572, 2940, 3215, 3675, 3858, 4200, 4501, 4900, 5144, 5880, 6430, 7350, 7716, 9002, 9645, 9800, 12860, 13503, 14700, 15432, 16075, 18004, 19290, 22505, 25720, 27006, 29400, 31507, 32150, 36008, 38580, 45010, 48225, 54012, 63014, 64300, 67515, 77160, 90020, 94521, 96450, 108024, 112525, 126028, 128600, 135030, 157535, 180040, 189042, 192900, 225050, 252056, 270060, 315070, 337575, 378084, 385800, 450100, 472605, 540120, 630140, 675150, 756168, 787675, 900200, 945210, 1260280, 1350300, 1575350, 1890420, 2363025, 2700600, 3150700, 3780840, 4726050, 6301400, 9452100, 18904200]

約数ペア:

[(1, 18904200), (2, 9452100), (3, 6301400), (4, 4726050), (5, 3780840), (6, 3150700), (7, 2700600), (8, 2363025), (10, 1890420), (12, 1575350), (14, 1350300), (15, 1260280), (20, 945210), (21, 900200), (24, 787675), (25, 756168), (28, 675150), (30, 630140), (35, 540120), (40, 472605), (42, 450100), (49, 385800), (50, 378084), (56, 337575), (60, 315070), (70, 270060), (75, 252056), (84, 225050), (98, 192900), (100, 189042), (105, 180040), (120, 157535), (140, 135030), (147, 128600), (150, 126028), (168, 112525), (175, 108024), (196, 96450), (200, 94521), (210, 90020), (245, 77160), (280, 67515), (294, 64300), (300, 63014), (350, 54012), (392, 48225), (420, 45010), (490, 38580), (525, 36008), (588, 32150), (600, 31507), (643, 29400), (700, 27006), (735, 25720), (840, 22505), (980, 19290), (1050, 18004), (1176, 16075), (1225, 15432), (1286, 14700), (1400, 13503), (1470, 12860), (1929, 9800), (1960, 9645), (2100, 9002), (2450, 7716), (2572, 7350), (2940, 6430), (3215, 5880), (3675, 5144), (3858, 4900), (4200, 4501)]