1390471040

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:573

約数の個数: 192

約数和(自身を含む): 3913984800

約数和(自身を除く): 2523513760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 101, 112, 128, 140, 160, 196, 202, 224, 245, 280, 320, 392, 404, 439, 448, 490, 505, 560, 640, 707, 784, 808, 878, 896, 980, 1010, 1120, 1414, 1568, 1616, 1756, 1960, 2020, 2195, 2240, 2828, 3073, 3136, 3232, 3512, 3535, 3920, 4040, 4390, 4480, 4949, 5656, 6146, 6272, 6464, 7024, 7070, 7840, 8080, 8780, 9898, 11312, 12292, 12928, 14048, 14140, 15365, 15680, 16160, 17560, 19796, 21511, 22624, 24584, 24745, 28096, 28280, 30730, 31360, 32320, 35120, 39592, 43022, 44339, 45248, 49168, 49490, 56192, 56560, 61460, 64640, 70240, 79184, 86044, 88678, 90496, 98336, 98980, 107555, 113120, 122920, 140480, 158368, 172088, 177356, 196672, 197960, 215110, 221695, 226240, 245840, 280960, 310373, 316736, 344176, 354712, 393344, 395920, 430220, 443390, 452480, 491680, 620746, 633472, 688352, 709424, 791840, 860440, 886780, 983360, 1241492, 1376704, 1418848, 1551865, 1583680, 1720880, 1773560, 1966720, 2172611, 2482984, 2753408, 2837696, 3103730, 3167360, 3441760, 3547120, 4345222, 4965968, 5675392, 6207460, 6883520, 7094240, 8690444, 9931936, 10863055, 12414920, 13767040, 14188480, 17380888, 19863872, 21726110, 24829840, 28376960, 34761776, 39727744, 43452220, 49659680, 69523552, 86904440, 99319360, 139047104, 173808880, 198638720, 278094208, 347617760, 695235520, 1390471040]

約数ペア:

[(1, 1390471040), (2, 695235520), (4, 347617760), (5, 278094208), (7, 198638720), (8, 173808880), (10, 139047104), (14, 99319360), (16, 86904440), (20, 69523552), (28, 49659680), (32, 43452220), (35, 39727744), (40, 34761776), (49, 28376960), (56, 24829840), (64, 21726110), (70, 19863872), (80, 17380888), (98, 14188480), (101, 13767040), (112, 12414920), (128, 10863055), (140, 9931936), (160, 8690444), (196, 7094240), (202, 6883520), (224, 6207460), (245, 5675392), (280, 4965968), (320, 4345222), (392, 3547120), (404, 3441760), (439, 3167360), (448, 3103730), (490, 2837696), (505, 2753408), (560, 2482984), (640, 2172611), (707, 1966720), (784, 1773560), (808, 1720880), (878, 1583680), (896, 1551865), (980, 1418848), (1010, 1376704), (1120, 1241492), (1414, 983360), (1568, 886780), (1616, 860440), (1756, 791840), (1960, 709424), (2020, 688352), (2195, 633472), (2240, 620746), (2828, 491680), (3073, 452480), (3136, 443390), (3232, 430220), (3512, 395920), (3535, 393344), (3920, 354712), (4040, 344176), (4390, 316736), (4480, 310373), (4949, 280960), (5656, 245840), (6146, 226240), (6272, 221695), (6464, 215110), (7024, 197960), (7070, 196672), (7840, 177356), (8080, 172088), (8780, 158368), (9898, 140480), (11312, 122920), (12292, 113120), (12928, 107555), (14048, 98980), (14140, 98336), (15365, 90496), (15680, 88678), (16160, 86044), (17560, 79184), (19796, 70240), (21511, 64640), (22624, 61460), (24584, 56560), (24745, 56192), (28096, 49490), (28280, 49168), (30730, 45248), (31360, 44339), (32320, 43022), (35120, 39592)]