211523840

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 562476096

約数和(自身を除く): 350952256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 83, 88, 110, 128, 160, 166, 176, 181, 220, 256, 320, 332, 352, 362, 415, 440, 640, 664, 704, 724, 830, 880, 905, 913, 1280, 1328, 1408, 1448, 1660, 1760, 1810, 1826, 1991, 2656, 2816, 2896, 3320, 3520, 3620, 3652, 3982, 4565, 5312, 5792, 6640, 7040, 7240, 7304, 7964, 9130, 9955, 10624, 11584, 13280, 14080, 14480, 14608, 15023, 15928, 18260, 19910, 21248, 23168, 26560, 28960, 29216, 30046, 31856, 36520, 39820, 46336, 53120, 57920, 58432, 60092, 63712, 73040, 75115, 79640, 106240, 115840, 116864, 120184, 127424, 146080, 150230, 159280, 165253, 231680, 233728, 240368, 254848, 292160, 300460, 318560, 330506, 480736, 509696, 584320, 600920, 637120, 661012, 826265, 961472, 1168640, 1201840, 1274240, 1322024, 1652530, 1922944, 2403680, 2548480, 2644048, 3305060, 3845888, 4807360, 5288096, 6610120, 9614720, 10576192, 13220240, 19229440, 21152384, 26440480, 42304768, 52880960, 105761920, 211523840]

約数ペア:

[(1, 211523840), (2, 105761920), (4, 52880960), (5, 42304768), (8, 26440480), (10, 21152384), (11, 19229440), (16, 13220240), (20, 10576192), (22, 9614720), (32, 6610120), (40, 5288096), (44, 4807360), (55, 3845888), (64, 3305060), (80, 2644048), (83, 2548480), (88, 2403680), (110, 1922944), (128, 1652530), (160, 1322024), (166, 1274240), (176, 1201840), (181, 1168640), (220, 961472), (256, 826265), (320, 661012), (332, 637120), (352, 600920), (362, 584320), (415, 509696), (440, 480736), (640, 330506), (664, 318560), (704, 300460), (724, 292160), (830, 254848), (880, 240368), (905, 233728), (913, 231680), (1280, 165253), (1328, 159280), (1408, 150230), (1448, 146080), (1660, 127424), (1760, 120184), (1810, 116864), (1826, 115840), (1991, 106240), (2656, 79640), (2816, 75115), (2896, 73040), (3320, 63712), (3520, 60092), (3620, 58432), (3652, 57920), (3982, 53120), (4565, 46336), (5312, 39820), (5792, 36520), (6640, 31856), (7040, 30046), (7240, 29216), (7304, 28960), (7964, 26560), (9130, 23168), (9955, 21248), (10624, 19910), (11584, 18260), (13280, 15928), (14080, 15023), (14480, 14608)]