4978890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{1129}}^1$

素因数の和:1156

約数の個数: 72

約数和(自身を含む): 15071940

約数和(自身を除く): 10093050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1129, 1470, 2205, 2258, 3387, 4410, 5645, 6774, 7903, 10161, 11290, 15806, 16935, 20322, 23709, 33870, 39515, 47418, 50805, 55321, 71127, 79030, 101610, 110642, 118545, 142254, 165963, 237090, 276605, 331926, 355635, 497889, 553210, 711270, 829815, 995778, 1659630, 2489445, 4978890]

約数ペア:

[(1, 4978890), (2, 2489445), (3, 1659630), (5, 995778), (6, 829815), (7, 711270), (9, 553210), (10, 497889), (14, 355635), (15, 331926), (18, 276605), (21, 237090), (30, 165963), (35, 142254), (42, 118545), (45, 110642), (49, 101610), (63, 79030), (70, 71127), (90, 55321), (98, 50805), (105, 47418), (126, 39515), (147, 33870), (210, 23709), (245, 20322), (294, 16935), (315, 15806), (441, 11290), (490, 10161), (630, 7903), (735, 6774), (882, 5645), (1129, 4410), (1470, 3387), (2205, 2258)]