395315440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 1035933696

約数和(自身を除く): 640618256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 73, 80, 82, 104, 127, 130, 146, 164, 205, 208, 254, 260, 292, 328, 365, 410, 508, 520, 533, 584, 635, 656, 730, 820, 949, 1016, 1040, 1066, 1168, 1270, 1460, 1640, 1651, 1898, 2032, 2132, 2540, 2665, 2920, 2993, 3280, 3302, 3796, 4264, 4745, 5080, 5207, 5330, 5840, 5986, 6604, 7592, 8255, 8528, 9271, 9490, 10160, 10414, 10660, 11972, 13208, 14965, 15184, 16510, 18542, 18980, 20828, 21320, 23944, 26035, 26416, 29930, 33020, 37084, 37960, 38909, 41656, 42640, 46355, 47888, 52070, 59860, 66040, 67691, 74168, 75920, 77818, 83312, 92710, 104140, 119720, 120523, 132080, 135382, 148336, 155636, 185420, 194545, 208280, 239440, 241046, 270764, 311272, 338455, 370840, 380111, 389090, 416560, 482092, 541528, 602615, 622544, 676910, 741680, 760222, 778180, 964184, 1083056, 1205230, 1353820, 1520444, 1556360, 1900555, 1928368, 2410460, 2707640, 3040888, 3112720, 3801110, 4820920, 4941443, 5415280, 6081776, 7602220, 9641840, 9882886, 15204440, 19765772, 24707215, 30408880, 39531544, 49414430, 79063088, 98828860, 197657720, 395315440]

約数ペア:

[(1, 395315440), (2, 197657720), (4, 98828860), (5, 79063088), (8, 49414430), (10, 39531544), (13, 30408880), (16, 24707215), (20, 19765772), (26, 15204440), (40, 9882886), (41, 9641840), (52, 7602220), (65, 6081776), (73, 5415280), (80, 4941443), (82, 4820920), (104, 3801110), (127, 3112720), (130, 3040888), (146, 2707640), (164, 2410460), (205, 1928368), (208, 1900555), (254, 1556360), (260, 1520444), (292, 1353820), (328, 1205230), (365, 1083056), (410, 964184), (508, 778180), (520, 760222), (533, 741680), (584, 676910), (635, 622544), (656, 602615), (730, 541528), (820, 482092), (949, 416560), (1016, 389090), (1040, 380111), (1066, 370840), (1168, 338455), (1270, 311272), (1460, 270764), (1640, 241046), (1651, 239440), (1898, 208280), (2032, 194545), (2132, 185420), (2540, 155636), (2665, 148336), (2920, 135382), (2993, 132080), (3280, 120523), (3302, 119720), (3796, 104140), (4264, 92710), (4745, 83312), (5080, 77818), (5207, 75920), (5330, 74168), (5840, 67691), (5986, 66040), (6604, 59860), (7592, 52070), (8255, 47888), (8528, 46355), (9271, 42640), (9490, 41656), (10160, 38909), (10414, 37960), (10660, 37084), (11972, 33020), (13208, 29930), (14965, 26416), (15184, 26035), (16510, 23944), (18542, 21320), (18980, 20828)]