20403749010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1\times {\mathrm{653}}^1$

素因数の和:1188

約数の個数: 128

約数和(自身を含む): 52360349184

約数和(自身を除く): 31956600174

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 197, 255, 311, 394, 510, 591, 622, 653, 933, 985, 1182, 1306, 1555, 1866, 1959, 1970, 2955, 3110, 3265, 3349, 3918, 4665, 5287, 5910, 6530, 6698, 9330, 9795, 10047, 10574, 11101, 15861, 16745, 19590, 20094, 22202, 26435, 31722, 33303, 33490, 50235, 52870, 55505, 61267, 66606, 79305, 100470, 111010, 122534, 128641, 158610, 166515, 183801, 203083, 257282, 306335, 333030, 367602, 385923, 406166, 609249, 612670, 643205, 771846, 919005, 1015415, 1041539, 1218498, 1286410, 1838010, 1929615, 2030830, 2083078, 2186897, 3046245, 3124617, 3452411, 3859230, 4373794, 5207695, 6092490, 6249234, 6560691, 6904822, 10357233, 10415390, 10934485, 13121382, 15623085, 17262055, 20714466, 21868970, 31246170, 32803455, 34524110, 40007351, 51786165, 65606910, 80014702, 103572330, 120022053, 200036755, 240044106, 400073510, 600110265, 680124967, 1200220530, 1360249934, 2040374901, 3400624835, 4080749802, 6801249670, 10201874505, 20403749010]

約数ペア:

[(1, 20403749010), (2, 10201874505), (3, 6801249670), (5, 4080749802), (6, 3400624835), (10, 2040374901), (15, 1360249934), (17, 1200220530), (30, 680124967), (34, 600110265), (51, 400073510), (85, 240044106), (102, 200036755), (170, 120022053), (197, 103572330), (255, 80014702), (311, 65606910), (394, 51786165), (510, 40007351), (591, 34524110), (622, 32803455), (653, 31246170), (933, 21868970), (985, 20714466), (1182, 17262055), (1306, 15623085), (1555, 13121382), (1866, 10934485), (1959, 10415390), (1970, 10357233), (2955, 6904822), (3110, 6560691), (3265, 6249234), (3349, 6092490), (3918, 5207695), (4665, 4373794), (5287, 3859230), (5910, 3452411), (6530, 3124617), (6698, 3046245), (9330, 2186897), (9795, 2083078), (10047, 2030830), (10574, 1929615), (11101, 1838010), (15861, 1286410), (16745, 1218498), (19590, 1041539), (20094, 1015415), (22202, 919005), (26435, 771846), (31722, 643205), (33303, 612670), (33490, 609249), (50235, 406166), (52870, 385923), (55505, 367602), (61267, 333030), (66606, 306335), (79305, 257282), (100470, 203083), (111010, 183801), (122534, 166515), (128641, 158610)]