200915960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 541900800

約数和(自身を除く): 340984840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 79, 124, 140, 155, 158, 217, 248, 280, 293, 310, 316, 395, 434, 553, 586, 620, 632, 790, 868, 1085, 1106, 1172, 1240, 1465, 1580, 1736, 2051, 2170, 2212, 2344, 2449, 2765, 2930, 3160, 4102, 4340, 4424, 4898, 5530, 5860, 8204, 8680, 9083, 9796, 10255, 11060, 11720, 12245, 16408, 17143, 18166, 19592, 20510, 22120, 23147, 24490, 34286, 36332, 41020, 45415, 46294, 48980, 63581, 68572, 72664, 82040, 85715, 90830, 92588, 97960, 115735, 127162, 137144, 162029, 171430, 181660, 185176, 231470, 254324, 317905, 324058, 342860, 363320, 462940, 508648, 635810, 648116, 685720, 717557, 810145, 925880, 1271620, 1296232, 1435114, 1620290, 2543240, 2870228, 3240580, 3587785, 5022899, 5740456, 6481160, 7175570, 10045798, 14351140, 20091596, 25114495, 28702280, 40183192, 50228990, 100457980, 200915960]

約数ペア:

[(1, 200915960), (2, 100457980), (4, 50228990), (5, 40183192), (7, 28702280), (8, 25114495), (10, 20091596), (14, 14351140), (20, 10045798), (28, 7175570), (31, 6481160), (35, 5740456), (40, 5022899), (56, 3587785), (62, 3240580), (70, 2870228), (79, 2543240), (124, 1620290), (140, 1435114), (155, 1296232), (158, 1271620), (217, 925880), (248, 810145), (280, 717557), (293, 685720), (310, 648116), (316, 635810), (395, 508648), (434, 462940), (553, 363320), (586, 342860), (620, 324058), (632, 317905), (790, 254324), (868, 231470), (1085, 185176), (1106, 181660), (1172, 171430), (1240, 162029), (1465, 137144), (1580, 127162), (1736, 115735), (2051, 97960), (2170, 92588), (2212, 90830), (2344, 85715), (2449, 82040), (2765, 72664), (2930, 68572), (3160, 63581), (4102, 48980), (4340, 46294), (4424, 45415), (4898, 41020), (5530, 36332), (5860, 34286), (8204, 24490), (8680, 23147), (9083, 22120), (9796, 20510), (10255, 19592), (11060, 18166), (11720, 17143), (12245, 16408)]