490341960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:436

約数の個数: 192

約数和(自身を含む): 1651104000

約数和(自身を除く): 1160762040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 139, 164, 180, 205, 239, 246, 278, 328, 360, 369, 410, 417, 478, 492, 556, 615, 695, 717, 738, 820, 834, 956, 984, 1112, 1195, 1230, 1251, 1390, 1434, 1476, 1640, 1668, 1845, 1912, 2085, 2151, 2390, 2460, 2502, 2780, 2868, 2952, 3336, 3585, 3690, 4170, 4302, 4780, 4920, 5004, 5560, 5699, 5736, 6255, 7170, 7380, 8340, 8604, 9560, 9799, 10008, 10755, 11398, 12510, 14340, 14760, 16680, 17097, 17208, 19598, 21510, 22796, 25020, 28495, 28680, 29397, 33221, 34194, 39196, 43020, 45592, 48995, 50040, 51291, 56990, 58794, 66442, 68388, 78392, 85485, 86040, 88191, 97990, 99663, 102582, 113980, 117588, 132884, 136776, 146985, 166105, 170970, 176382, 195980, 199326, 205164, 227960, 235176, 256455, 265768, 293970, 298989, 332210, 341940, 352764, 391960, 398652, 410328, 440955, 498315, 512910, 587940, 597978, 664420, 683880, 705528, 797304, 881910, 996630, 1025820, 1175880, 1195956, 1328840, 1362061, 1494945, 1763820, 1993260, 2051640, 2391912, 2724122, 2989890, 3527640, 3986520, 4086183, 5448244, 5979780, 6810305, 8172366, 10896488, 11959560, 12258549, 13620610, 16344732, 20430915, 24517098, 27241220, 32689464, 40861830, 49034196, 54482440, 61292745, 81723660, 98068392, 122585490, 163447320, 245170980, 490341960]

約数ペア:

[(1, 490341960), (2, 245170980), (3, 163447320), (4, 122585490), (5, 98068392), (6, 81723660), (8, 61292745), (9, 54482440), (10, 49034196), (12, 40861830), (15, 32689464), (18, 27241220), (20, 24517098), (24, 20430915), (30, 16344732), (36, 13620610), (40, 12258549), (41, 11959560), (45, 10896488), (60, 8172366), (72, 6810305), (82, 5979780), (90, 5448244), (120, 4086183), (123, 3986520), (139, 3527640), (164, 2989890), (180, 2724122), (205, 2391912), (239, 2051640), (246, 1993260), (278, 1763820), (328, 1494945), (360, 1362061), (369, 1328840), (410, 1195956), (417, 1175880), (478, 1025820), (492, 996630), (556, 881910), (615, 797304), (695, 705528), (717, 683880), (738, 664420), (820, 597978), (834, 587940), (956, 512910), (984, 498315), (1112, 440955), (1195, 410328), (1230, 398652), (1251, 391960), (1390, 352764), (1434, 341940), (1476, 332210), (1640, 298989), (1668, 293970), (1845, 265768), (1912, 256455), (2085, 235176), (2151, 227960), (2390, 205164), (2460, 199326), (2502, 195980), (2780, 176382), (2868, 170970), (2952, 166105), (3336, 146985), (3585, 136776), (3690, 132884), (4170, 117588), (4302, 113980), (4780, 102582), (4920, 99663), (5004, 97990), (5560, 88191), (5699, 86040), (5736, 85485), (6255, 78392), (7170, 68388), (7380, 66442), (8340, 58794), (8604, 56990), (9560, 51291), (9799, 50040), (10008, 48995), (10755, 45592), (11398, 43020), (12510, 39196), (14340, 34194), (14760, 33221), (16680, 29397), (17097, 28680), (17208, 28495), (19598, 25020), (21510, 22796)]