7441840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 20123712

約数和(自身を除く): 12681872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 137, 140, 194, 274, 280, 388, 485, 548, 560, 679, 685, 776, 959, 970, 1096, 1358, 1370, 1552, 1918, 1940, 2192, 2716, 2740, 3395, 3836, 3880, 4795, 5432, 5480, 6790, 7672, 7760, 9590, 10864, 10960, 13289, 13580, 15344, 19180, 26578, 27160, 38360, 53156, 54320, 66445, 76720, 93023, 106312, 132890, 186046, 212624, 265780, 372092, 465115, 531560, 744184, 930230, 1063120, 1488368, 1860460, 3720920, 7441840]

約数ペア:

[(1, 7441840), (2, 3720920), (4, 1860460), (5, 1488368), (7, 1063120), (8, 930230), (10, 744184), (14, 531560), (16, 465115), (20, 372092), (28, 265780), (35, 212624), (40, 186046), (56, 132890), (70, 106312), (80, 93023), (97, 76720), (112, 66445), (137, 54320), (140, 53156), (194, 38360), (274, 27160), (280, 26578), (388, 19180), (485, 15344), (548, 13580), (560, 13289), (679, 10960), (685, 10864), (776, 9590), (959, 7760), (970, 7672), (1096, 6790), (1358, 5480), (1370, 5432), (1552, 4795), (1918, 3880), (1940, 3836), (2192, 3395), (2716, 2740)]