216317360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:563

約数の個数: 120

約数和(自身を含む): 590743440

約数和(自身を除く): 374426080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 139, 140, 196, 245, 278, 280, 392, 397, 490, 556, 560, 695, 784, 794, 973, 980, 1112, 1390, 1588, 1946, 1960, 1985, 2224, 2779, 2780, 3176, 3892, 3920, 3970, 4865, 5558, 5560, 6352, 6811, 7784, 7940, 9730, 11116, 11120, 13622, 13895, 15568, 15880, 19453, 19460, 22232, 27244, 27790, 31760, 34055, 38906, 38920, 44464, 54488, 55183, 55580, 68110, 77812, 77840, 97265, 108976, 110366, 111160, 136220, 155624, 194530, 220732, 222320, 272440, 275915, 311248, 386281, 389060, 441464, 544880, 551830, 772562, 778120, 882928, 1103660, 1545124, 1556240, 1931405, 2207320, 2703967, 3090248, 3862810, 4414640, 5407934, 6180496, 7725620, 10815868, 13519835, 15451240, 21631736, 27039670, 30902480, 43263472, 54079340, 108158680, 216317360]

約数ペア:

[(1, 216317360), (2, 108158680), (4, 54079340), (5, 43263472), (7, 30902480), (8, 27039670), (10, 21631736), (14, 15451240), (16, 13519835), (20, 10815868), (28, 7725620), (35, 6180496), (40, 5407934), (49, 4414640), (56, 3862810), (70, 3090248), (80, 2703967), (98, 2207320), (112, 1931405), (139, 1556240), (140, 1545124), (196, 1103660), (245, 882928), (278, 778120), (280, 772562), (392, 551830), (397, 544880), (490, 441464), (556, 389060), (560, 386281), (695, 311248), (784, 275915), (794, 272440), (973, 222320), (980, 220732), (1112, 194530), (1390, 155624), (1588, 136220), (1946, 111160), (1960, 110366), (1985, 108976), (2224, 97265), (2779, 77840), (2780, 77812), (3176, 68110), (3892, 55580), (3920, 55183), (3970, 54488), (4865, 44464), (5558, 38920), (5560, 38906), (6352, 34055), (6811, 31760), (7784, 27790), (7940, 27244), (9730, 22232), (11116, 19460), (11120, 19453), (13622, 15880), (13895, 15568)]