205438128

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13009}}^1$

素因数の和:13074

約数の個数: 80

約数和(自身を含む): 619484160

約数和(自身を除く): 414046032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 56, 84, 94, 112, 141, 168, 188, 282, 329, 336, 376, 564, 658, 752, 987, 1128, 1316, 1974, 2256, 2632, 3948, 5264, 7896, 13009, 15792, 26018, 39027, 52036, 78054, 91063, 104072, 156108, 182126, 208144, 273189, 312216, 364252, 546378, 611423, 624432, 728504, 1092756, 1222846, 1457008, 1834269, 2185512, 2445692, 3668538, 4279961, 4371024, 4891384, 7337076, 8559922, 9782768, 12839883, 14674152, 17119844, 25679766, 29348304, 34239688, 51359532, 68479376, 102719064, 205438128]

約数ペア:

[(1, 205438128), (2, 102719064), (3, 68479376), (4, 51359532), (6, 34239688), (7, 29348304), (8, 25679766), (12, 17119844), (14, 14674152), (16, 12839883), (21, 9782768), (24, 8559922), (28, 7337076), (42, 4891384), (47, 4371024), (48, 4279961), (56, 3668538), (84, 2445692), (94, 2185512), (112, 1834269), (141, 1457008), (168, 1222846), (188, 1092756), (282, 728504), (329, 624432), (336, 611423), (376, 546378), (564, 364252), (658, 312216), (752, 273189), (987, 208144), (1128, 182126), (1316, 156108), (1974, 104072), (2256, 91063), (2632, 78054), (3948, 52036), (5264, 39027), (7896, 26018), (13009, 15792)]