402584920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 993484800

約数和(自身を除く): 590899880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 97, 127, 152, 172, 190, 194, 215, 254, 344, 380, 388, 430, 485, 508, 635, 760, 776, 817, 860, 970, 1016, 1270, 1634, 1720, 1843, 1940, 2413, 2540, 3268, 3686, 3880, 4085, 4171, 4826, 5080, 5461, 6536, 7372, 8170, 8342, 9215, 9652, 10922, 12065, 12319, 14744, 16340, 16684, 18430, 19304, 20855, 21844, 24130, 24638, 27305, 32680, 33368, 36860, 41710, 43688, 48260, 49276, 54610, 61595, 73720, 79249, 83420, 96520, 98552, 103759, 109220, 123190, 158498, 166840, 207518, 218440, 234061, 246380, 316996, 396245, 415036, 468122, 492760, 518795, 529717, 633992, 792490, 830072, 936244, 1037590, 1059434, 1170305, 1584980, 1872488, 2075180, 2118868, 2340610, 2648585, 3169960, 4150360, 4237736, 4681220, 5297170, 9362440, 10064623, 10594340, 20129246, 21188680, 40258492, 50323115, 80516984, 100646230, 201292460, 402584920]

約数ペア:

[(1, 402584920), (2, 201292460), (4, 100646230), (5, 80516984), (8, 50323115), (10, 40258492), (19, 21188680), (20, 20129246), (38, 10594340), (40, 10064623), (43, 9362440), (76, 5297170), (86, 4681220), (95, 4237736), (97, 4150360), (127, 3169960), (152, 2648585), (172, 2340610), (190, 2118868), (194, 2075180), (215, 1872488), (254, 1584980), (344, 1170305), (380, 1059434), (388, 1037590), (430, 936244), (485, 830072), (508, 792490), (635, 633992), (760, 529717), (776, 518795), (817, 492760), (860, 468122), (970, 415036), (1016, 396245), (1270, 316996), (1634, 246380), (1720, 234061), (1843, 218440), (1940, 207518), (2413, 166840), (2540, 158498), (3268, 123190), (3686, 109220), (3880, 103759), (4085, 98552), (4171, 96520), (4826, 83420), (5080, 79249), (5461, 73720), (6536, 61595), (7372, 54610), (8170, 49276), (8342, 48260), (9215, 43688), (9652, 41710), (10922, 36860), (12065, 33368), (12319, 32680), (14744, 27305), (16340, 24638), (16684, 24130), (18430, 21844), (19304, 20855)]