28013440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 192

約数和(自身を含む): 85116960

約数和(自身を除く): 57103520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 37, 40, 52, 56, 64, 65, 70, 74, 80, 91, 104, 112, 128, 130, 140, 148, 160, 169, 182, 185, 208, 224, 259, 260, 280, 296, 320, 338, 364, 370, 416, 448, 455, 481, 518, 520, 560, 592, 640, 676, 728, 740, 832, 845, 896, 910, 962, 1036, 1040, 1120, 1183, 1184, 1295, 1352, 1456, 1480, 1664, 1690, 1820, 1924, 2072, 2080, 2240, 2366, 2368, 2405, 2590, 2704, 2912, 2960, 3367, 3380, 3640, 3848, 4144, 4160, 4480, 4732, 4736, 4810, 5180, 5408, 5824, 5915, 5920, 6253, 6734, 6760, 7280, 7696, 8288, 8320, 9464, 9620, 10360, 10816, 11648, 11830, 11840, 12506, 13468, 13520, 14560, 15392, 16576, 16835, 18928, 19240, 20720, 21632, 23660, 23680, 25012, 26936, 27040, 29120, 30784, 31265, 33152, 33670, 37856, 38480, 41440, 43771, 47320, 50024, 53872, 54080, 58240, 61568, 62530, 67340, 75712, 76960, 82880, 87542, 94640, 100048, 107744, 108160, 125060, 134680, 151424, 153920, 165760, 175084, 189280, 200096, 215488, 218855, 250120, 269360, 307840, 350168, 378560, 400192, 430976, 437710, 500240, 538720, 700336, 757120, 800384, 875420, 1000480, 1077440, 1400672, 1750840, 2000960, 2154880, 2801344, 3501680, 4001920, 5602688, 7003360, 14006720, 28013440]

約数ペア:

[(1, 28013440), (2, 14006720), (4, 7003360), (5, 5602688), (7, 4001920), (8, 3501680), (10, 2801344), (13, 2154880), (14, 2000960), (16, 1750840), (20, 1400672), (26, 1077440), (28, 1000480), (32, 875420), (35, 800384), (37, 757120), (40, 700336), (52, 538720), (56, 500240), (64, 437710), (65, 430976), (70, 400192), (74, 378560), (80, 350168), (91, 307840), (104, 269360), (112, 250120), (128, 218855), (130, 215488), (140, 200096), (148, 189280), (160, 175084), (169, 165760), (182, 153920), (185, 151424), (208, 134680), (224, 125060), (259, 108160), (260, 107744), (280, 100048), (296, 94640), (320, 87542), (338, 82880), (364, 76960), (370, 75712), (416, 67340), (448, 62530), (455, 61568), (481, 58240), (518, 54080), (520, 53872), (560, 50024), (592, 47320), (640, 43771), (676, 41440), (728, 38480), (740, 37856), (832, 33670), (845, 33152), (896, 31265), (910, 30784), (962, 29120), (1036, 27040), (1040, 26936), (1120, 25012), (1183, 23680), (1184, 23660), (1295, 21632), (1352, 20720), (1456, 19240), (1480, 18928), (1664, 16835), (1690, 16576), (1820, 15392), (1924, 14560), (2072, 13520), (2080, 13468), (2240, 12506), (2366, 11840), (2368, 11830), (2405, 11648), (2590, 10816), (2704, 10360), (2912, 9620), (2960, 9464), (3367, 8320), (3380, 8288), (3640, 7696), (3848, 7280), (4144, 6760), (4160, 6734), (4480, 6253), (4732, 5920), (4736, 5915), (4810, 5824), (5180, 5408)]