189996520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 531878400

約数和(自身を除く): 341881880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 53, 56, 59, 62, 70, 98, 106, 118, 124, 140, 155, 196, 212, 217, 236, 245, 248, 265, 280, 295, 310, 371, 392, 413, 424, 434, 472, 490, 530, 590, 620, 742, 826, 868, 980, 1060, 1085, 1180, 1240, 1484, 1519, 1643, 1652, 1736, 1829, 1855, 1960, 2065, 2120, 2170, 2360, 2597, 2891, 2968, 3038, 3127, 3286, 3304, 3658, 3710, 4130, 4340, 5194, 5782, 6076, 6254, 6572, 7316, 7420, 7595, 8215, 8260, 8680, 9145, 10388, 11501, 11564, 12152, 12508, 12803, 12985, 13144, 14455, 14632, 14840, 15190, 15635, 16430, 16520, 18290, 20776, 21889, 23002, 23128, 25016, 25606, 25970, 28910, 30380, 31270, 32860, 36580, 43778, 46004, 51212, 51940, 57505, 57820, 60760, 62540, 64015, 65720, 73160, 80507, 87556, 89621, 92008, 96937, 102424, 103880, 109445, 115010, 115640, 125080, 128030, 153223, 161014, 175112, 179242, 193874, 218890, 230020, 256060, 306446, 322028, 358484, 387748, 402535, 437780, 448105, 460040, 484685, 512120, 612892, 644056, 678559, 716968, 766115, 775496, 805070, 875560, 896210, 969370, 1225784, 1357118, 1532230, 1610140, 1792420, 1938740, 2714236, 3064460, 3220280, 3392795, 3584840, 3877480, 4749913, 5428472, 6128920, 6785590, 9499826, 13571180, 18999652, 23749565, 27142360, 37999304, 47499130, 94998260, 189996520]

約数ペア:

[(1, 189996520), (2, 94998260), (4, 47499130), (5, 37999304), (7, 27142360), (8, 23749565), (10, 18999652), (14, 13571180), (20, 9499826), (28, 6785590), (31, 6128920), (35, 5428472), (40, 4749913), (49, 3877480), (53, 3584840), (56, 3392795), (59, 3220280), (62, 3064460), (70, 2714236), (98, 1938740), (106, 1792420), (118, 1610140), (124, 1532230), (140, 1357118), (155, 1225784), (196, 969370), (212, 896210), (217, 875560), (236, 805070), (245, 775496), (248, 766115), (265, 716968), (280, 678559), (295, 644056), (310, 612892), (371, 512120), (392, 484685), (413, 460040), (424, 448105), (434, 437780), (472, 402535), (490, 387748), (530, 358484), (590, 322028), (620, 306446), (742, 256060), (826, 230020), (868, 218890), (980, 193874), (1060, 179242), (1085, 175112), (1180, 161014), (1240, 153223), (1484, 128030), (1519, 125080), (1643, 115640), (1652, 115010), (1736, 109445), (1829, 103880), (1855, 102424), (1960, 96937), (2065, 92008), (2120, 89621), (2170, 87556), (2360, 80507), (2597, 73160), (2891, 65720), (2968, 64015), (3038, 62540), (3127, 60760), (3286, 57820), (3304, 57505), (3658, 51940), (3710, 51212), (4130, 46004), (4340, 43778), (5194, 36580), (5782, 32860), (6076, 31270), (6254, 30380), (6572, 28910), (7316, 25970), (7420, 25606), (7595, 25016), (8215, 23128), (8260, 23002), (8680, 21889), (9145, 20776), (10388, 18290), (11501, 16520), (11564, 16430), (12152, 15635), (12508, 15190), (12803, 14840), (12985, 14632), (13144, 14455)]