201998580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:694

約数の個数: 144

約数和(自身を含む): 664344576

約数和(自身を除く): 462345996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 127, 140, 147, 196, 210, 245, 254, 294, 381, 420, 490, 508, 541, 588, 635, 735, 762, 889, 980, 1082, 1270, 1470, 1524, 1623, 1778, 1905, 2164, 2540, 2667, 2705, 2940, 3246, 3556, 3787, 3810, 4445, 5334, 5410, 6223, 6492, 7574, 7620, 8115, 8890, 10668, 10820, 11361, 12446, 13335, 15148, 16230, 17780, 18669, 18935, 22722, 24892, 26509, 26670, 31115, 32460, 37338, 37870, 45444, 53018, 53340, 56805, 62230, 68707, 74676, 75740, 79527, 93345, 106036, 113610, 124460, 132545, 137414, 159054, 186690, 206121, 227220, 265090, 274828, 318108, 343535, 373380, 397635, 412242, 480949, 530180, 687070, 795270, 824484, 961898, 1030605, 1374140, 1442847, 1590540, 1923796, 2061210, 2404745, 2885694, 3366643, 4122420, 4809490, 5771388, 6733286, 7214235, 9618980, 10099929, 13466572, 14428470, 16833215, 20199858, 28856940, 33666430, 40399716, 50499645, 67332860, 100999290, 201998580]

約数ペア:

[(1, 201998580), (2, 100999290), (3, 67332860), (4, 50499645), (5, 40399716), (6, 33666430), (7, 28856940), (10, 20199858), (12, 16833215), (14, 14428470), (15, 13466572), (20, 10099929), (21, 9618980), (28, 7214235), (30, 6733286), (35, 5771388), (42, 4809490), (49, 4122420), (60, 3366643), (70, 2885694), (84, 2404745), (98, 2061210), (105, 1923796), (127, 1590540), (140, 1442847), (147, 1374140), (196, 1030605), (210, 961898), (245, 824484), (254, 795270), (294, 687070), (381, 530180), (420, 480949), (490, 412242), (508, 397635), (541, 373380), (588, 343535), (635, 318108), (735, 274828), (762, 265090), (889, 227220), (980, 206121), (1082, 186690), (1270, 159054), (1470, 137414), (1524, 132545), (1623, 124460), (1778, 113610), (1905, 106036), (2164, 93345), (2540, 79527), (2667, 75740), (2705, 74676), (2940, 68707), (3246, 62230), (3556, 56805), (3787, 53340), (3810, 53018), (4445, 45444), (5334, 37870), (5410, 37338), (6223, 32460), (6492, 31115), (7574, 26670), (7620, 26509), (8115, 24892), (8890, 22722), (10668, 18935), (10820, 18669), (11361, 17780), (12446, 16230), (13335, 15148)]