391240584

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 256

約数和(自身を含む): 1360281600

約数和(自身を除く): 969041016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 31, 34, 36, 42, 51, 54, 56, 62, 63, 68, 72, 84, 93, 102, 108, 119, 124, 126, 136, 153, 168, 186, 189, 204, 216, 217, 238, 248, 252, 279, 306, 357, 372, 378, 408, 434, 459, 476, 491, 504, 527, 558, 612, 651, 714, 744, 756, 837, 868, 918, 952, 982, 1054, 1071, 1116, 1224, 1302, 1428, 1473, 1512, 1581, 1674, 1736, 1836, 1953, 1964, 2108, 2142, 2232, 2604, 2856, 2946, 3162, 3213, 3348, 3437, 3672, 3689, 3906, 3928, 4216, 4284, 4419, 4743, 5208, 5859, 5892, 6324, 6426, 6696, 6874, 7378, 7812, 8347, 8568, 8838, 9486, 10311, 11067, 11718, 11784, 12648, 12852, 13257, 13748, 14229, 14756, 15221, 15624, 16694, 17676, 18972, 20622, 22134, 23436, 25041, 25704, 26514, 27496, 28458, 29512, 30442, 30933, 33201, 33388, 35352, 37944, 41244, 44268, 45663, 46872, 50082, 53028, 56916, 58429, 60884, 61866, 66402, 66776, 75123, 82488, 88536, 91326, 92799, 99603, 100164, 106056, 106547, 113832, 116858, 121768, 123732, 132804, 136989, 150246, 175287, 182652, 185598, 199206, 200328, 213094, 225369, 233716, 247464, 258757, 265608, 273978, 300492, 319641, 350574, 365304, 371196, 398412, 410967, 426188, 450738, 467432, 517514, 525861, 547956, 600984, 639282, 701148, 742392, 776271, 796824, 821934, 852376, 901476, 958923, 1035028, 1051722, 1095912, 1278564, 1402296, 1552542, 1577583, 1643868, 1802952, 1811299, 1917846, 2070056, 2103444, 2328813, 2557128, 2876769, 3105084, 3155166, 3287736, 3622598, 3835692, 4206888, 4657626, 5433897, 5753538, 6210168, 6310332, 6986439, 7245196, 7671384, 9315252, 10867794, 11507076, 12620664, 13972878, 14490392, 16301691, 18630504, 21735588, 23014152, 27945756, 32603382, 43471176, 48905073, 55891512, 65206764, 97810146, 130413528, 195620292, 391240584]

約数ペア:

[(1, 391240584), (2, 195620292), (3, 130413528), (4, 97810146), (6, 65206764), (7, 55891512), (8, 48905073), (9, 43471176), (12, 32603382), (14, 27945756), (17, 23014152), (18, 21735588), (21, 18630504), (24, 16301691), (27, 14490392), (28, 13972878), (31, 12620664), (34, 11507076), (36, 10867794), (42, 9315252), (51, 7671384), (54, 7245196), (56, 6986439), (62, 6310332), (63, 6210168), (68, 5753538), (72, 5433897), (84, 4657626), (93, 4206888), (102, 3835692), (108, 3622598), (119, 3287736), (124, 3155166), (126, 3105084), (136, 2876769), (153, 2557128), (168, 2328813), (186, 2103444), (189, 2070056), (204, 1917846), (216, 1811299), (217, 1802952), (238, 1643868), (248, 1577583), (252, 1552542), (279, 1402296), (306, 1278564), (357, 1095912), (372, 1051722), (378, 1035028), (408, 958923), (434, 901476), (459, 852376), (476, 821934), (491, 796824), (504, 776271), (527, 742392), (558, 701148), (612, 639282), (651, 600984), (714, 547956), (744, 525861), (756, 517514), (837, 467432), (868, 450738), (918, 426188), (952, 410967), (982, 398412), (1054, 371196), (1071, 365304), (1116, 350574), (1224, 319641), (1302, 300492), (1428, 273978), (1473, 265608), (1512, 258757), (1581, 247464), (1674, 233716), (1736, 225369), (1836, 213094), (1953, 200328), (1964, 199206), (2108, 185598), (2142, 182652), (2232, 175287), (2604, 150246), (2856, 136989), (2946, 132804), (3162, 123732), (3213, 121768), (3348, 116858), (3437, 113832), (3672, 106547), (3689, 106056), (3906, 100164), (3928, 99603), (4216, 92799), (4284, 91326), (4419, 88536), (4743, 82488), (5208, 75123), (5859, 66776), (5892, 66402), (6324, 61866), (6426, 60884), (6696, 58429), (6874, 56916), (7378, 53028), (7812, 50082), (8347, 46872), (8568, 45663), (8838, 44268), (9486, 41244), (10311, 37944), (11067, 35352), (11718, 33388), (11784, 33201), (12648, 30933), (12852, 30442), (13257, 29512), (13748, 28458), (14229, 27496), (14756, 26514), (15221, 25704), (15624, 25041), (16694, 23436), (17676, 22134), (18972, 20622)]