211384040

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 160

約数和(自身を含む): 580815360

約数和(自身を除く): 369431320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 71, 98, 124, 140, 142, 155, 196, 217, 245, 248, 280, 284, 310, 343, 355, 392, 434, 490, 497, 568, 620, 686, 710, 868, 980, 994, 1085, 1240, 1372, 1420, 1519, 1715, 1736, 1960, 1988, 2170, 2201, 2401, 2485, 2744, 2840, 3038, 3430, 3479, 3976, 4340, 4402, 4802, 4970, 6076, 6860, 6958, 7595, 8680, 8804, 9604, 9940, 10633, 11005, 12005, 12152, 13720, 13916, 15190, 15407, 17395, 17608, 19208, 19880, 21266, 22010, 24010, 24353, 27832, 30380, 30814, 34790, 42532, 44020, 48020, 48706, 53165, 60760, 61628, 69580, 74431, 77035, 85064, 88040, 96040, 97412, 106330, 107849, 121765, 123256, 139160, 148862, 154070, 170471, 194824, 212660, 215698, 243530, 297724, 308140, 340942, 372155, 425320, 431396, 487060, 539245, 595448, 616280, 681884, 744310, 754943, 852355, 862792, 974120, 1078490, 1363768, 1488620, 1509886, 1704710, 2156980, 2977240, 3019772, 3409420, 3774715, 4313960, 5284601, 6039544, 6818840, 7549430, 10569202, 15098860, 21138404, 26423005, 30197720, 42276808, 52846010, 105692020, 211384040]

約数ペア:

[(1, 211384040), (2, 105692020), (4, 52846010), (5, 42276808), (7, 30197720), (8, 26423005), (10, 21138404), (14, 15098860), (20, 10569202), (28, 7549430), (31, 6818840), (35, 6039544), (40, 5284601), (49, 4313960), (56, 3774715), (62, 3409420), (70, 3019772), (71, 2977240), (98, 2156980), (124, 1704710), (140, 1509886), (142, 1488620), (155, 1363768), (196, 1078490), (217, 974120), (245, 862792), (248, 852355), (280, 754943), (284, 744310), (310, 681884), (343, 616280), (355, 595448), (392, 539245), (434, 487060), (490, 431396), (497, 425320), (568, 372155), (620, 340942), (686, 308140), (710, 297724), (868, 243530), (980, 215698), (994, 212660), (1085, 194824), (1240, 170471), (1372, 154070), (1420, 148862), (1519, 139160), (1715, 123256), (1736, 121765), (1960, 107849), (1988, 106330), (2170, 97412), (2201, 96040), (2401, 88040), (2485, 85064), (2744, 77035), (2840, 74431), (3038, 69580), (3430, 61628), (3479, 60760), (3976, 53165), (4340, 48706), (4402, 48020), (4802, 44020), (4970, 42532), (6076, 34790), (6860, 30814), (6958, 30380), (7595, 27832), (8680, 24353), (8804, 24010), (9604, 22010), (9940, 21266), (10633, 19880), (11005, 19208), (12005, 17608), (12152, 17395), (13720, 15407), (13916, 15190)]