138923820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:877

約数の個数: 216

約数和(自身を含む): 516625200

約数和(自身を除く): 377701380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 490, 532, 570, 588, 630, 665, 684, 735, 798, 829, 855, 882, 931, 980, 1140, 1197, 1260, 1330, 1470, 1596, 1658, 1710, 1764, 1862, 1995, 2205, 2394, 2487, 2660, 2793, 2940, 3316, 3420, 3724, 3990, 4145, 4410, 4655, 4788, 4974, 5586, 5803, 5985, 7461, 7980, 8290, 8379, 8820, 9310, 9948, 11172, 11606, 11970, 12435, 13965, 14922, 15751, 16580, 16758, 17409, 18620, 23212, 23940, 24870, 27930, 29015, 29844, 31502, 33516, 34818, 37305, 40621, 41895, 47253, 49740, 52227, 55860, 58030, 63004, 69636, 74610, 78755, 81242, 83790, 87045, 94506, 104454, 110257, 116060, 121863, 141759, 149220, 157510, 162484, 167580, 174090, 189012, 203105, 208908, 220514, 236265, 243726, 261135, 283518, 315020, 330771, 348180, 365589, 406210, 441028, 472530, 487452, 522270, 551285, 567036, 609315, 661542, 708795, 731178, 771799, 812420, 945060, 992313, 1044540, 1102570, 1218630, 1323084, 1417590, 1462356, 1543598, 1653855, 1827945, 1984626, 2205140, 2315397, 2437260, 2835180, 3087196, 3307710, 3655890, 3858995, 3969252, 4630794, 4961565, 6615420, 6946191, 7311780, 7717990, 9261588, 9923130, 11576985, 13892382, 15435980, 19846260, 23153970, 27784764, 34730955, 46307940, 69461910, 138923820]

約数ペア:

[(1, 138923820), (2, 69461910), (3, 46307940), (4, 34730955), (5, 27784764), (6, 23153970), (7, 19846260), (9, 15435980), (10, 13892382), (12, 11576985), (14, 9923130), (15, 9261588), (18, 7717990), (19, 7311780), (20, 6946191), (21, 6615420), (28, 4961565), (30, 4630794), (35, 3969252), (36, 3858995), (38, 3655890), (42, 3307710), (45, 3087196), (49, 2835180), (57, 2437260), (60, 2315397), (63, 2205140), (70, 1984626), (76, 1827945), (84, 1653855), (90, 1543598), (95, 1462356), (98, 1417590), (105, 1323084), (114, 1218630), (126, 1102570), (133, 1044540), (140, 992313), (147, 945060), (171, 812420), (180, 771799), (190, 731178), (196, 708795), (210, 661542), (228, 609315), (245, 567036), (252, 551285), (266, 522270), (285, 487452), (294, 472530), (315, 441028), (342, 406210), (380, 365589), (399, 348180), (420, 330771), (441, 315020), (490, 283518), (532, 261135), (570, 243726), (588, 236265), (630, 220514), (665, 208908), (684, 203105), (735, 189012), (798, 174090), (829, 167580), (855, 162484), (882, 157510), (931, 149220), (980, 141759), (1140, 121863), (1197, 116060), (1260, 110257), (1330, 104454), (1470, 94506), (1596, 87045), (1658, 83790), (1710, 81242), (1764, 78755), (1862, 74610), (1995, 69636), (2205, 63004), (2394, 58030), (2487, 55860), (2660, 52227), (2793, 49740), (2940, 47253), (3316, 41895), (3420, 40621), (3724, 37305), (3990, 34818), (4145, 33516), (4410, 31502), (4655, 29844), (4788, 29015), (4974, 27930), (5586, 24870), (5803, 23940), (5985, 23212), (7461, 18620), (7980, 17409), (8290, 16758), (8379, 16580), (8820, 15751), (9310, 14922), (9948, 13965), (11172, 12435), (11606, 11970)]