194900720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 544727040

約数和(自身を除く): 349826320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 103, 109, 112, 124, 140, 155, 206, 217, 218, 248, 280, 310, 412, 434, 436, 496, 515, 545, 560, 620, 721, 763, 824, 868, 872, 1030, 1085, 1090, 1240, 1442, 1526, 1648, 1736, 1744, 2060, 2170, 2180, 2480, 2884, 3052, 3193, 3379, 3472, 3605, 3815, 4120, 4340, 4360, 5768, 6104, 6386, 6758, 7210, 7630, 8240, 8680, 8720, 11227, 11536, 12208, 12772, 13516, 14420, 15260, 15965, 16895, 17360, 22351, 22454, 23653, 25544, 27032, 28840, 30520, 31930, 33790, 44702, 44908, 47306, 51088, 54064, 56135, 57680, 61040, 63860, 67580, 78589, 89404, 89816, 94612, 111755, 112270, 118265, 127720, 135160, 157178, 178808, 179632, 189224, 223510, 224540, 236530, 255440, 270320, 314356, 348037, 357616, 378448, 392945, 447020, 449080, 473060, 628712, 696074, 785890, 894040, 898160, 946120, 1257424, 1392148, 1571780, 1740185, 1788080, 1892240, 2436259, 2784296, 3143560, 3480370, 4872518, 5568592, 6287120, 6960740, 9745036, 12181295, 13921480, 19490072, 24362590, 27842960, 38980144, 48725180, 97450360, 194900720]

約数ペア:

[(1, 194900720), (2, 97450360), (4, 48725180), (5, 38980144), (7, 27842960), (8, 24362590), (10, 19490072), (14, 13921480), (16, 12181295), (20, 9745036), (28, 6960740), (31, 6287120), (35, 5568592), (40, 4872518), (56, 3480370), (62, 3143560), (70, 2784296), (80, 2436259), (103, 1892240), (109, 1788080), (112, 1740185), (124, 1571780), (140, 1392148), (155, 1257424), (206, 946120), (217, 898160), (218, 894040), (248, 785890), (280, 696074), (310, 628712), (412, 473060), (434, 449080), (436, 447020), (496, 392945), (515, 378448), (545, 357616), (560, 348037), (620, 314356), (721, 270320), (763, 255440), (824, 236530), (868, 224540), (872, 223510), (1030, 189224), (1085, 179632), (1090, 178808), (1240, 157178), (1442, 135160), (1526, 127720), (1648, 118265), (1736, 112270), (1744, 111755), (2060, 94612), (2170, 89816), (2180, 89404), (2480, 78589), (2884, 67580), (3052, 63860), (3193, 61040), (3379, 57680), (3472, 56135), (3605, 54064), (3815, 51088), (4120, 47306), (4340, 44908), (4360, 44702), (5768, 33790), (6104, 31930), (6386, 30520), (6758, 28840), (7210, 27032), (7630, 25544), (8240, 23653), (8680, 22454), (8720, 22351), (11227, 17360), (11536, 16895), (12208, 15965), (12772, 15260), (13516, 14420)]