3720920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 9737280

約数和(自身を除く): 6016360

約数列:

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

約数ペア:

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