201550840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 504299520

約数和(自身を除く): 302748680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 37, 40, 46, 62, 74, 92, 115, 124, 148, 155, 184, 185, 191, 230, 248, 296, 310, 370, 382, 460, 620, 713, 740, 764, 851, 920, 955, 1147, 1240, 1426, 1480, 1528, 1702, 1910, 2294, 2852, 3404, 3565, 3820, 4255, 4393, 4588, 5704, 5735, 5921, 6808, 7067, 7130, 7640, 8510, 8786, 9176, 11470, 11842, 14134, 14260, 17020, 17572, 21965, 22940, 23684, 26381, 28268, 28520, 29605, 34040, 35144, 35335, 43930, 45880, 47368, 52762, 56536, 59210, 70670, 87860, 105524, 118420, 131905, 136183, 141340, 162541, 175720, 211048, 219077, 236840, 263810, 272366, 282680, 325082, 438154, 527620, 544732, 650164, 680915, 812705, 876308, 1055240, 1089464, 1095385, 1300328, 1361830, 1625410, 1752616, 2190770, 2723660, 3250820, 4381540, 5038771, 5447320, 6501640, 8763080, 10077542, 20155084, 25193855, 40310168, 50387710, 100775420, 201550840]

約数ペア:

[(1, 201550840), (2, 100775420), (4, 50387710), (5, 40310168), (8, 25193855), (10, 20155084), (20, 10077542), (23, 8763080), (31, 6501640), (37, 5447320), (40, 5038771), (46, 4381540), (62, 3250820), (74, 2723660), (92, 2190770), (115, 1752616), (124, 1625410), (148, 1361830), (155, 1300328), (184, 1095385), (185, 1089464), (191, 1055240), (230, 876308), (248, 812705), (296, 680915), (310, 650164), (370, 544732), (382, 527620), (460, 438154), (620, 325082), (713, 282680), (740, 272366), (764, 263810), (851, 236840), (920, 219077), (955, 211048), (1147, 175720), (1240, 162541), (1426, 141340), (1480, 136183), (1528, 131905), (1702, 118420), (1910, 105524), (2294, 87860), (2852, 70670), (3404, 59210), (3565, 56536), (3820, 52762), (4255, 47368), (4393, 45880), (4588, 43930), (5704, 35335), (5735, 35144), (5921, 34040), (6808, 29605), (7067, 28520), (7130, 28268), (7640, 26381), (8510, 23684), (8786, 22940), (9176, 21965), (11470, 17572), (11842, 17020), (14134, 14260)]