211119920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 160

約数和(自身を含む): 565678080

約数和(自身を除く): 354558160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 71, 80, 88, 109, 110, 124, 142, 155, 176, 218, 220, 248, 284, 310, 341, 355, 436, 440, 496, 545, 568, 620, 682, 710, 781, 872, 880, 1090, 1136, 1199, 1240, 1364, 1420, 1562, 1705, 1744, 2180, 2201, 2398, 2480, 2728, 2840, 3124, 3379, 3410, 3905, 4360, 4402, 4796, 5456, 5680, 5995, 6248, 6758, 6820, 7739, 7810, 8720, 8804, 9592, 11005, 11990, 12496, 13516, 13640, 15478, 15620, 16895, 17608, 19184, 22010, 23980, 24211, 27032, 27280, 30956, 31240, 33790, 35216, 37169, 38695, 44020, 47960, 48422, 54064, 61912, 62480, 67580, 74338, 77390, 85129, 88040, 95920, 96844, 121055, 123824, 135160, 148676, 154780, 170258, 176080, 185845, 193688, 239909, 242110, 270320, 297352, 309560, 340516, 371690, 387376, 425645, 479818, 484220, 594704, 619120, 681032, 743380, 851290, 959636, 968440, 1199545, 1362064, 1486760, 1702580, 1919272, 1936880, 2399090, 2638999, 2973520, 3405160, 3838544, 4798180, 5277998, 6810320, 9596360, 10555996, 13194995, 19192720, 21111992, 26389990, 42223984, 52779980, 105559960, 211119920]

約数ペア:

[(1, 211119920), (2, 105559960), (4, 52779980), (5, 42223984), (8, 26389990), (10, 21111992), (11, 19192720), (16, 13194995), (20, 10555996), (22, 9596360), (31, 6810320), (40, 5277998), (44, 4798180), (55, 3838544), (62, 3405160), (71, 2973520), (80, 2638999), (88, 2399090), (109, 1936880), (110, 1919272), (124, 1702580), (142, 1486760), (155, 1362064), (176, 1199545), (218, 968440), (220, 959636), (248, 851290), (284, 743380), (310, 681032), (341, 619120), (355, 594704), (436, 484220), (440, 479818), (496, 425645), (545, 387376), (568, 371690), (620, 340516), (682, 309560), (710, 297352), (781, 270320), (872, 242110), (880, 239909), (1090, 193688), (1136, 185845), (1199, 176080), (1240, 170258), (1364, 154780), (1420, 148676), (1562, 135160), (1705, 123824), (1744, 121055), (2180, 96844), (2201, 95920), (2398, 88040), (2480, 85129), (2728, 77390), (2840, 74338), (3124, 67580), (3379, 62480), (3410, 61912), (3905, 54064), (4360, 48422), (4402, 47960), (4796, 44020), (5456, 38695), (5680, 37169), (5995, 35216), (6248, 33790), (6758, 31240), (6820, 30956), (7739, 27280), (7810, 27032), (8720, 24211), (8804, 23980), (9592, 22010), (11005, 19184), (11990, 17608), (12496, 16895), (13516, 15620), (13640, 15478)]