1420140904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:683

約数の個数: 128

約数和(自身を含む): 3421958400

約数和(自身を除く): 2001817496

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 137, 182, 203, 232, 274, 364, 377, 406, 491, 548, 728, 754, 812, 959, 982, 1096, 1508, 1624, 1781, 1918, 1964, 2639, 3016, 3437, 3562, 3836, 3928, 3973, 5278, 6383, 6874, 7124, 7672, 7946, 10556, 12467, 12766, 13748, 14239, 14248, 15892, 21112, 24934, 25532, 27496, 27811, 28478, 31784, 44681, 49868, 51064, 51649, 55622, 56956, 67267, 89362, 99673, 99736, 103298, 111244, 113912, 134534, 178724, 185107, 199346, 206596, 222488, 269068, 357448, 361543, 370214, 398692, 413192, 470869, 538136, 723086, 740428, 797384, 874471, 941738, 1295749, 1446172, 1480856, 1748942, 1883476, 1950743, 2591498, 2892344, 3497884, 3766952, 3901486, 5182996, 6121297, 6995768, 7802972, 10365992, 12242594, 13655201, 15605944, 24485188, 25359659, 27310402, 48970376, 50719318, 54620804, 101438636, 109241608, 177517613, 202877272, 355035226, 710070452, 1420140904]

約数ペア:

[(1, 1420140904), (2, 710070452), (4, 355035226), (7, 202877272), (8, 177517613), (13, 109241608), (14, 101438636), (26, 54620804), (28, 50719318), (29, 48970376), (52, 27310402), (56, 25359659), (58, 24485188), (91, 15605944), (104, 13655201), (116, 12242594), (137, 10365992), (182, 7802972), (203, 6995768), (232, 6121297), (274, 5182996), (364, 3901486), (377, 3766952), (406, 3497884), (491, 2892344), (548, 2591498), (728, 1950743), (754, 1883476), (812, 1748942), (959, 1480856), (982, 1446172), (1096, 1295749), (1508, 941738), (1624, 874471), (1781, 797384), (1918, 740428), (1964, 723086), (2639, 538136), (3016, 470869), (3437, 413192), (3562, 398692), (3836, 370214), (3928, 361543), (3973, 357448), (5278, 269068), (6383, 222488), (6874, 206596), (7124, 199346), (7672, 185107), (7946, 178724), (10556, 134534), (12467, 113912), (12766, 111244), (13748, 103298), (14239, 99736), (14248, 99673), (15892, 89362), (21112, 67267), (24934, 56956), (25532, 55622), (27496, 51649), (27811, 51064), (28478, 49868), (31784, 44681)]