1949009920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^4\times {\mathrm{13}}^1$

素因数の和:84

約数の個数: 240

約数和(自身を含む): 5539797900

約数和(自身を除く): 3590787980

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 121, 128, 130, 143, 160, 176, 208, 220, 242, 256, 260, 286, 320, 352, 416, 440, 484, 512, 520, 572, 605, 640, 704, 715, 832, 880, 968, 1024, 1040, 1144, 1210, 1280, 1331, 1408, 1430, 1573, 1664, 1760, 1936, 2048, 2080, 2288, 2420, 2560, 2662, 2816, 2860, 3146, 3328, 3520, 3872, 4160, 4576, 4840, 5120, 5324, 5632, 5720, 6292, 6655, 6656, 7040, 7744, 7865, 8320, 9152, 9680, 10240, 10648, 11264, 11440, 12584, 13310, 13312, 14080, 14641, 15488, 15730, 16640, 17303, 18304, 19360, 21296, 22528, 22880, 25168, 26620, 26624, 28160, 29282, 30976, 31460, 33280, 34606, 36608, 38720, 42592, 45760, 50336, 53240, 56320, 58564, 61952, 62920, 66560, 69212, 73205, 73216, 77440, 85184, 86515, 91520, 100672, 106480, 112640, 117128, 123904, 125840, 133120, 138424, 146410, 146432, 154880, 170368, 173030, 183040, 190333, 201344, 212960, 234256, 247808, 251680, 276848, 292820, 292864, 309760, 340736, 346060, 366080, 380666, 402688, 425920, 468512, 503360, 553696, 585640, 619520, 681472, 692120, 732160, 761332, 805376, 851840, 937024, 951665, 1006720, 1107392, 1171280, 1239040, 1362944, 1384240, 1464320, 1522664, 1610752, 1703680, 1874048, 1903330, 2013440, 2214784, 2342560, 2725888, 2768480, 3045328, 3221504, 3407360, 3748096, 3806660, 4026880, 4429568, 4685120, 5536960, 6090656, 6814720, 7496192, 7613320, 8053760, 8859136, 9370240, 11073920, 12181312, 13629440, 14992384, 15226640, 16107520, 17718272, 18740480, 22147840, 24362624, 29984768, 30453280, 35436544, 37480960, 44295680, 48725248, 60906560, 74961920, 88591360, 97450496, 121813120, 149923840, 177182720, 194900992, 243626240, 389801984, 487252480, 974504960, 1949009920]

約数ペア:

[(1, 1949009920), (2, 974504960), (4, 487252480), (5, 389801984), (8, 243626240), (10, 194900992), (11, 177182720), (13, 149923840), (16, 121813120), (20, 97450496), (22, 88591360), (26, 74961920), (32, 60906560), (40, 48725248), (44, 44295680), (52, 37480960), (55, 35436544), (64, 30453280), (65, 29984768), (80, 24362624), (88, 22147840), (104, 18740480), (110, 17718272), (121, 16107520), (128, 15226640), (130, 14992384), (143, 13629440), (160, 12181312), (176, 11073920), (208, 9370240), (220, 8859136), (242, 8053760), (256, 7613320), (260, 7496192), (286, 6814720), (320, 6090656), (352, 5536960), (416, 4685120), (440, 4429568), (484, 4026880), (512, 3806660), (520, 3748096), (572, 3407360), (605, 3221504), (640, 3045328), (704, 2768480), (715, 2725888), (832, 2342560), (880, 2214784), (968, 2013440), (1024, 1903330), (1040, 1874048), (1144, 1703680), (1210, 1610752), (1280, 1522664), (1331, 1464320), (1408, 1384240), (1430, 1362944), (1573, 1239040), (1664, 1171280), (1760, 1107392), (1936, 1006720), (2048, 951665), (2080, 937024), (2288, 851840), (2420, 805376), (2560, 761332), (2662, 732160), (2816, 692120), (2860, 681472), (3146, 619520), (3328, 585640), (3520, 553696), (3872, 503360), (4160, 468512), (4576, 425920), (4840, 402688), (5120, 380666), (5324, 366080), (5632, 346060), (5720, 340736), (6292, 309760), (6655, 292864), (6656, 292820), (7040, 276848), (7744, 251680), (7865, 247808), (8320, 234256), (9152, 212960), (9680, 201344), (10240, 190333), (10648, 183040), (11264, 173030), (11440, 170368), (12584, 154880), (13310, 146432), (13312, 146410), (14080, 138424), (14641, 133120), (15488, 125840), (15730, 123904), (16640, 117128), (17303, 112640), (18304, 106480), (19360, 100672), (21296, 91520), (22528, 86515), (22880, 85184), (25168, 77440), (26620, 73216), (26624, 73205), (28160, 69212), (29282, 66560), (30976, 62920), (31460, 61952), (33280, 58564), (34606, 56320), (36608, 53240), (38720, 50336), (42592, 45760)]