191489480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1697}}^1$

素因数の和:1759

約数の個数: 128

約数和(自身を含む): 547706880

約数和(自身を除く): 356217400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1697, 1736, 1820, 2015, 2170, 2821, 3224, 3394, 3640, 4030, 4340, 5642, 6788, 8060, 8485, 8680, 11284, 11879, 13576, 14105, 16120, 16970, 22061, 22568, 23758, 28210, 33940, 44122, 47516, 52607, 56420, 59395, 67880, 88244, 95032, 105214, 110305, 112840, 118790, 154427, 176488, 210428, 220610, 237580, 263035, 308854, 368249, 420856, 441220, 475160, 526070, 617708, 683891, 736498, 772135, 882440, 1052140, 1235416, 1367782, 1472996, 1544270, 1841245, 2104280, 2735564, 2945992, 3088540, 3419455, 3682490, 4787237, 5471128, 6177080, 6838910, 7364980, 9574474, 13677820, 14729960, 19148948, 23936185, 27355640, 38297896, 47872370, 95744740, 191489480]

約数ペア:

[(1, 191489480), (2, 95744740), (4, 47872370), (5, 38297896), (7, 27355640), (8, 23936185), (10, 19148948), (13, 14729960), (14, 13677820), (20, 9574474), (26, 7364980), (28, 6838910), (31, 6177080), (35, 5471128), (40, 4787237), (52, 3682490), (56, 3419455), (62, 3088540), (65, 2945992), (70, 2735564), (91, 2104280), (104, 1841245), (124, 1544270), (130, 1472996), (140, 1367782), (155, 1235416), (182, 1052140), (217, 882440), (248, 772135), (260, 736498), (280, 683891), (310, 617708), (364, 526070), (403, 475160), (434, 441220), (455, 420856), (520, 368249), (620, 308854), (728, 263035), (806, 237580), (868, 220610), (910, 210428), (1085, 176488), (1240, 154427), (1612, 118790), (1697, 112840), (1736, 110305), (1820, 105214), (2015, 95032), (2170, 88244), (2821, 67880), (3224, 59395), (3394, 56420), (3640, 52607), (4030, 47516), (4340, 44122), (5642, 33940), (6788, 28210), (8060, 23758), (8485, 22568), (8680, 22061), (11284, 16970), (11879, 16120), (13576, 14105)]