221535440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:529

約数の個数: 160

約数和(自身を含む): 634245120

約数和(自身を除く): 412709680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 47, 56, 70, 76, 80, 94, 95, 112, 133, 140, 152, 188, 190, 235, 266, 280, 304, 329, 376, 380, 443, 470, 532, 560, 658, 665, 752, 760, 886, 893, 940, 1064, 1316, 1330, 1520, 1645, 1772, 1786, 1880, 2128, 2215, 2632, 2660, 3101, 3290, 3544, 3572, 3760, 4430, 4465, 5264, 5320, 6202, 6251, 6580, 7088, 7144, 8417, 8860, 8930, 10640, 12404, 12502, 13160, 14288, 15505, 16834, 17720, 17860, 20821, 24808, 25004, 26320, 31010, 31255, 33668, 35440, 35720, 41642, 42085, 49616, 50008, 58919, 62020, 62510, 67336, 71440, 83284, 84170, 100016, 104105, 117838, 124040, 125020, 134672, 145747, 166568, 168340, 208210, 235676, 248080, 250040, 291494, 294595, 333136, 336680, 395599, 416420, 471352, 500080, 582988, 589190, 673360, 728735, 791198, 832840, 942704, 1165976, 1178380, 1457470, 1582396, 1665680, 1977995, 2331952, 2356760, 2769193, 2914940, 3164792, 3955990, 4713520, 5538386, 5829880, 6329584, 7911980, 11076772, 11659760, 13845965, 15823960, 22153544, 27691930, 31647920, 44307088, 55383860, 110767720, 221535440]

約数ペア:

[(1, 221535440), (2, 110767720), (4, 55383860), (5, 44307088), (7, 31647920), (8, 27691930), (10, 22153544), (14, 15823960), (16, 13845965), (19, 11659760), (20, 11076772), (28, 7911980), (35, 6329584), (38, 5829880), (40, 5538386), (47, 4713520), (56, 3955990), (70, 3164792), (76, 2914940), (80, 2769193), (94, 2356760), (95, 2331952), (112, 1977995), (133, 1665680), (140, 1582396), (152, 1457470), (188, 1178380), (190, 1165976), (235, 942704), (266, 832840), (280, 791198), (304, 728735), (329, 673360), (376, 589190), (380, 582988), (443, 500080), (470, 471352), (532, 416420), (560, 395599), (658, 336680), (665, 333136), (752, 294595), (760, 291494), (886, 250040), (893, 248080), (940, 235676), (1064, 208210), (1316, 168340), (1330, 166568), (1520, 145747), (1645, 134672), (1772, 125020), (1786, 124040), (1880, 117838), (2128, 104105), (2215, 100016), (2632, 84170), (2660, 83284), (3101, 71440), (3290, 67336), (3544, 62510), (3572, 62020), (3760, 58919), (4430, 50008), (4465, 49616), (5264, 42085), (5320, 41642), (6202, 35720), (6251, 35440), (6580, 33668), (7088, 31255), (7144, 31010), (8417, 26320), (8860, 25004), (8930, 24808), (10640, 20821), (12404, 17860), (12502, 17720), (13160, 16834), (14288, 15505)]