244851880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:659

約数の個数: 128

約数和(自身を含む): 684391680

約数和(自身を除く): 439539800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 137, 140, 182, 260, 274, 280, 364, 455, 491, 520, 548, 685, 728, 910, 959, 982, 1096, 1370, 1781, 1820, 1918, 1964, 2455, 2740, 3437, 3562, 3640, 3836, 3928, 4795, 4910, 5480, 6383, 6874, 7124, 7672, 8905, 9590, 9820, 12467, 12766, 13748, 14248, 17185, 17810, 19180, 19640, 24934, 25532, 27496, 31915, 34370, 35620, 38360, 44681, 49868, 51064, 62335, 63830, 67267, 68740, 71240, 89362, 99736, 124670, 127660, 134534, 137480, 178724, 223405, 249340, 255320, 269068, 336335, 357448, 446810, 470869, 498680, 538136, 672670, 874471, 893620, 941738, 1345340, 1748942, 1787240, 1883476, 2354345, 2690680, 3497884, 3766952, 4372355, 4708690, 6121297, 6995768, 8744710, 9417380, 12242594, 17489420, 18834760, 24485188, 30606485, 34978840, 48970376, 61212970, 122425940, 244851880]

約数ペア:

[(1, 244851880), (2, 122425940), (4, 61212970), (5, 48970376), (7, 34978840), (8, 30606485), (10, 24485188), (13, 18834760), (14, 17489420), (20, 12242594), (26, 9417380), (28, 8744710), (35, 6995768), (40, 6121297), (52, 4708690), (56, 4372355), (65, 3766952), (70, 3497884), (91, 2690680), (104, 2354345), (130, 1883476), (137, 1787240), (140, 1748942), (182, 1345340), (260, 941738), (274, 893620), (280, 874471), (364, 672670), (455, 538136), (491, 498680), (520, 470869), (548, 446810), (685, 357448), (728, 336335), (910, 269068), (959, 255320), (982, 249340), (1096, 223405), (1370, 178724), (1781, 137480), (1820, 134534), (1918, 127660), (1964, 124670), (2455, 99736), (2740, 89362), (3437, 71240), (3562, 68740), (3640, 67267), (3836, 63830), (3928, 62335), (4795, 51064), (4910, 49868), (5480, 44681), (6383, 38360), (6874, 35620), (7124, 34370), (7672, 31915), (8905, 27496), (9590, 25532), (9820, 24934), (12467, 19640), (12766, 19180), (13748, 17810), (14248, 17185)]