831852420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{523}}^1\times {\mathrm{541}}^1$

素因数の和:1090

約数の個数: 144

約数和(自身を含む): 2719660608

約数和(自身を除く): 1887808188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 523, 541, 588, 735, 980, 1046, 1082, 1470, 1569, 1623, 2092, 2164, 2615, 2705, 2940, 3138, 3246, 3661, 3787, 5230, 5410, 6276, 6492, 7322, 7574, 7845, 8115, 10460, 10820, 10983, 11361, 14644, 15148, 15690, 16230, 18305, 18935, 21966, 22722, 25627, 26509, 31380, 32460, 36610, 37870, 43932, 45444, 51254, 53018, 54915, 56805, 73220, 75740, 76881, 79527, 102508, 106036, 109830, 113610, 128135, 132545, 153762, 159054, 219660, 227220, 256270, 265090, 282943, 307524, 318108, 384405, 397635, 512540, 530180, 565886, 768810, 795270, 848829, 1131772, 1414715, 1537620, 1590540, 1697658, 1980601, 2829430, 3395316, 3961202, 4244145, 5658860, 5941803, 7922404, 8488290, 9903005, 11883606, 13864207, 16976580, 19806010, 23767212, 27728414, 29709015, 39612020, 41592621, 55456828, 59418030, 69321035, 83185242, 118836060, 138642070, 166370484, 207963105, 277284140, 415926210, 831852420]

約数ペア:

[(1, 831852420), (2, 415926210), (3, 277284140), (4, 207963105), (5, 166370484), (6, 138642070), (7, 118836060), (10, 83185242), (12, 69321035), (14, 59418030), (15, 55456828), (20, 41592621), (21, 39612020), (28, 29709015), (30, 27728414), (35, 23767212), (42, 19806010), (49, 16976580), (60, 13864207), (70, 11883606), (84, 9903005), (98, 8488290), (105, 7922404), (140, 5941803), (147, 5658860), (196, 4244145), (210, 3961202), (245, 3395316), (294, 2829430), (420, 1980601), (490, 1697658), (523, 1590540), (541, 1537620), (588, 1414715), (735, 1131772), (980, 848829), (1046, 795270), (1082, 768810), (1470, 565886), (1569, 530180), (1623, 512540), (2092, 397635), (2164, 384405), (2615, 318108), (2705, 307524), (2940, 282943), (3138, 265090), (3246, 256270), (3661, 227220), (3787, 219660), (5230, 159054), (5410, 153762), (6276, 132545), (6492, 128135), (7322, 113610), (7574, 109830), (7845, 106036), (8115, 102508), (10460, 79527), (10820, 76881), (10983, 75740), (11361, 73220), (14644, 56805), (15148, 54915), (15690, 53018), (16230, 51254), (18305, 45444), (18935, 43932), (21966, 37870), (22722, 36610), (25627, 32460), (26509, 31380)]