291300520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{45233}}^1$

素因数の和:45274

約数の個数: 64

約数和(自身を含む): 781643520

約数和(自身を除く): 490343000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 45233, 90466, 180932, 226165, 316631, 361864, 452330, 633262, 904660, 1040359, 1266524, 1583155, 1809320, 2080718, 2533048, 3166310, 4161436, 5201795, 6332620, 7282513, 8322872, 10403590, 12665240, 14565026, 20807180, 29130052, 36412565, 41614360, 58260104, 72825130, 145650260, 291300520]

約数ペア:

[(1, 291300520), (2, 145650260), (4, 72825130), (5, 58260104), (7, 41614360), (8, 36412565), (10, 29130052), (14, 20807180), (20, 14565026), (23, 12665240), (28, 10403590), (35, 8322872), (40, 7282513), (46, 6332620), (56, 5201795), (70, 4161436), (92, 3166310), (115, 2533048), (140, 2080718), (161, 1809320), (184, 1583155), (230, 1266524), (280, 1040359), (322, 904660), (460, 633262), (644, 452330), (805, 361864), (920, 316631), (1288, 226165), (1610, 180932), (3220, 90466), (6440, 45233)]