989843140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 2493953280

約数和(自身を除く): 1504110140

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 79, 110, 130, 143, 158, 169, 220, 260, 286, 316, 337, 338, 395, 572, 674, 676, 715, 790, 845, 869, 1027, 1348, 1430, 1580, 1685, 1690, 1738, 1859, 2054, 2860, 3370, 3380, 3476, 3707, 3718, 4108, 4345, 4381, 5135, 6740, 7414, 7436, 8690, 8762, 9295, 10270, 11297, 13351, 14828, 17380, 17524, 18535, 18590, 20540, 21905, 22594, 26623, 26702, 37070, 37180, 43810, 45188, 48191, 53246, 53404, 56485, 56953, 66755, 74140, 87620, 96382, 106492, 112970, 113906, 133115, 133510, 146861, 192764, 225940, 227812, 240955, 266230, 267020, 284765, 292853, 293722, 346099, 481910, 532460, 569530, 585706, 587444, 626483, 692198, 734305, 963820, 1139060, 1171412, 1252966, 1384396, 1464265, 1468610, 1730495, 2505932, 2928530, 2937220, 3132415, 3460990, 3807089, 4499287, 5857060, 6264830, 6921980, 7614178, 8998574, 12529660, 15228356, 17997148, 19035445, 22496435, 38070890, 44992870, 49492157, 76141780, 89985740, 98984314, 197968628, 247460785, 494921570, 989843140]

約数ペア:

[(1, 989843140), (2, 494921570), (4, 247460785), (5, 197968628), (10, 98984314), (11, 89985740), (13, 76141780), (20, 49492157), (22, 44992870), (26, 38070890), (44, 22496435), (52, 19035445), (55, 17997148), (65, 15228356), (79, 12529660), (110, 8998574), (130, 7614178), (143, 6921980), (158, 6264830), (169, 5857060), (220, 4499287), (260, 3807089), (286, 3460990), (316, 3132415), (337, 2937220), (338, 2928530), (395, 2505932), (572, 1730495), (674, 1468610), (676, 1464265), (715, 1384396), (790, 1252966), (845, 1171412), (869, 1139060), (1027, 963820), (1348, 734305), (1430, 692198), (1580, 626483), (1685, 587444), (1690, 585706), (1738, 569530), (1859, 532460), (2054, 481910), (2860, 346099), (3370, 293722), (3380, 292853), (3476, 284765), (3707, 267020), (3718, 266230), (4108, 240955), (4345, 227812), (4381, 225940), (5135, 192764), (6740, 146861), (7414, 133510), (7436, 133115), (8690, 113906), (8762, 112970), (9295, 106492), (10270, 96382), (11297, 87620), (13351, 74140), (14828, 66755), (17380, 56953), (17524, 56485), (18535, 53404), (18590, 53246), (20540, 48191), (21905, 45188), (22594, 43810), (26623, 37180), (26702, 37070)]