1941601480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 192

約数和(自身を含む): 5516063280

約数和(自身を除く): 3574461800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 181, 182, 196, 245, 260, 280, 362, 364, 392, 421, 455, 490, 520, 637, 724, 728, 842, 905, 910, 980, 1267, 1274, 1448, 1684, 1810, 1820, 1960, 2105, 2353, 2534, 2548, 2947, 3185, 3368, 3620, 3640, 4210, 4706, 5068, 5096, 5473, 5894, 6335, 6370, 7240, 8420, 8869, 9412, 10136, 10946, 11765, 11788, 12670, 12740, 14735, 16471, 16840, 17738, 18824, 20629, 21892, 23530, 23576, 25340, 25480, 27365, 29470, 32942, 35476, 38311, 41258, 43784, 44345, 47060, 50680, 54730, 58940, 65884, 70952, 76201, 76622, 82355, 82516, 88690, 94120, 103145, 109460, 115297, 117880, 131768, 152402, 153244, 164710, 165032, 177380, 191555, 206290, 218920, 230594, 268177, 304804, 306488, 329420, 354760, 381005, 383110, 412580, 461188, 533407, 536354, 576485, 609608, 658840, 762010, 766220, 825160, 922376, 990613, 1066814, 1072708, 1152970, 1340885, 1524020, 1532440, 1981226, 2133628, 2145416, 2305940, 2667035, 2681770, 3048040, 3733849, 3962452, 4267256, 4611880, 4953065, 5334070, 5363540, 6934291, 7467698, 7924904, 9906130, 10668140, 10727080, 13868582, 14935396, 18669245, 19812260, 21336280, 27737164, 29870792, 34671455, 37338490, 39624520, 48540037, 55474328, 69342910, 74676980, 97080074, 138685820, 149353960, 194160148, 242700185, 277371640, 388320296, 485400370, 970800740, 1941601480]

約数ペア:

[(1, 1941601480), (2, 970800740), (4, 485400370), (5, 388320296), (7, 277371640), (8, 242700185), (10, 194160148), (13, 149353960), (14, 138685820), (20, 97080074), (26, 74676980), (28, 69342910), (35, 55474328), (40, 48540037), (49, 39624520), (52, 37338490), (56, 34671455), (65, 29870792), (70, 27737164), (91, 21336280), (98, 19812260), (104, 18669245), (130, 14935396), (140, 13868582), (181, 10727080), (182, 10668140), (196, 9906130), (245, 7924904), (260, 7467698), (280, 6934291), (362, 5363540), (364, 5334070), (392, 4953065), (421, 4611880), (455, 4267256), (490, 3962452), (520, 3733849), (637, 3048040), (724, 2681770), (728, 2667035), (842, 2305940), (905, 2145416), (910, 2133628), (980, 1981226), (1267, 1532440), (1274, 1524020), (1448, 1340885), (1684, 1152970), (1810, 1072708), (1820, 1066814), (1960, 990613), (2105, 922376), (2353, 825160), (2534, 766220), (2548, 762010), (2947, 658840), (3185, 609608), (3368, 576485), (3620, 536354), (3640, 533407), (4210, 461188), (4706, 412580), (5068, 383110), (5096, 381005), (5473, 354760), (5894, 329420), (6335, 306488), (6370, 304804), (7240, 268177), (8420, 230594), (8869, 218920), (9412, 206290), (10136, 191555), (10946, 177380), (11765, 165032), (11788, 164710), (12670, 153244), (12740, 152402), (14735, 131768), (16471, 117880), (16840, 115297), (17738, 109460), (18824, 103145), (20629, 94120), (21892, 88690), (23530, 82516), (23576, 82355), (25340, 76622), (25480, 76201), (27365, 70952), (29470, 65884), (32942, 58940), (35476, 54730), (38311, 50680), (41258, 47060), (43784, 44345)]