212000320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 224

約数和(自身を含む): 617988096

約数和(自身を除く): 405987776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 43, 56, 62, 64, 70, 71, 80, 86, 112, 124, 140, 142, 155, 160, 172, 215, 217, 224, 248, 280, 284, 301, 310, 320, 344, 355, 430, 434, 448, 496, 497, 560, 568, 602, 620, 688, 710, 860, 868, 992, 994, 1085, 1120, 1136, 1204, 1240, 1333, 1376, 1420, 1505, 1720, 1736, 1984, 1988, 2170, 2201, 2240, 2272, 2408, 2480, 2485, 2666, 2752, 2840, 3010, 3053, 3440, 3472, 3976, 4340, 4402, 4544, 4816, 4960, 4970, 5332, 5680, 6020, 6106, 6665, 6880, 6944, 7952, 8680, 8804, 9331, 9632, 9920, 9940, 10664, 11005, 11360, 12040, 12212, 13330, 13760, 13888, 15265, 15407, 15904, 17360, 17608, 18662, 19264, 19880, 21328, 21371, 22010, 22720, 24080, 24424, 26660, 30530, 30814, 31808, 34720, 35216, 37324, 39760, 42656, 42742, 44020, 46655, 48160, 48848, 53320, 61060, 61628, 69440, 70432, 74648, 77035, 79520, 85312, 85484, 88040, 93310, 94643, 96320, 97696, 106640, 106855, 122120, 123256, 140864, 149296, 154070, 159040, 170968, 176080, 186620, 189286, 195392, 213280, 213710, 244240, 246512, 298592, 308140, 341936, 352160, 373240, 378572, 426560, 427420, 473215, 488480, 493024, 597184, 616280, 662501, 683872, 704320, 746480, 757144, 854840, 946430, 976960, 986048, 1232560, 1325002, 1367744, 1492960, 1514288, 1709680, 1892860, 2465120, 2650004, 2985920, 3028576, 3312505, 3419360, 3785720, 4930240, 5300008, 6057152, 6625010, 6838720, 7571440, 10600016, 13250020, 15142880, 21200032, 26500040, 30285760, 42400064, 53000080, 106000160, 212000320]

約数ペア:

[(1, 212000320), (2, 106000160), (4, 53000080), (5, 42400064), (7, 30285760), (8, 26500040), (10, 21200032), (14, 15142880), (16, 13250020), (20, 10600016), (28, 7571440), (31, 6838720), (32, 6625010), (35, 6057152), (40, 5300008), (43, 4930240), (56, 3785720), (62, 3419360), (64, 3312505), (70, 3028576), (71, 2985920), (80, 2650004), (86, 2465120), (112, 1892860), (124, 1709680), (140, 1514288), (142, 1492960), (155, 1367744), (160, 1325002), (172, 1232560), (215, 986048), (217, 976960), (224, 946430), (248, 854840), (280, 757144), (284, 746480), (301, 704320), (310, 683872), (320, 662501), (344, 616280), (355, 597184), (430, 493024), (434, 488480), (448, 473215), (496, 427420), (497, 426560), (560, 378572), (568, 373240), (602, 352160), (620, 341936), (688, 308140), (710, 298592), (860, 246512), (868, 244240), (992, 213710), (994, 213280), (1085, 195392), (1120, 189286), (1136, 186620), (1204, 176080), (1240, 170968), (1333, 159040), (1376, 154070), (1420, 149296), (1505, 140864), (1720, 123256), (1736, 122120), (1984, 106855), (1988, 106640), (2170, 97696), (2201, 96320), (2240, 94643), (2272, 93310), (2408, 88040), (2480, 85484), (2485, 85312), (2666, 79520), (2752, 77035), (2840, 74648), (3010, 70432), (3053, 69440), (3440, 61628), (3472, 61060), (3976, 53320), (4340, 48848), (4402, 48160), (4544, 46655), (4816, 44020), (4960, 42742), (4970, 42656), (5332, 39760), (5680, 37324), (6020, 35216), (6106, 34720), (6665, 31808), (6880, 30814), (6944, 30530), (7952, 26660), (8680, 24424), (8804, 24080), (9331, 22720), (9632, 22010), (9920, 21371), (9940, 21328), (10664, 19880), (11005, 19264), (11360, 18662), (12040, 17608), (12212, 17360), (13330, 15904), (13760, 15407), (13888, 15265)]