2644040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 7387200

約数和(自身を除く): 4743160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 71, 76, 95, 98, 133, 140, 142, 152, 190, 196, 245, 266, 280, 284, 355, 380, 392, 490, 497, 532, 568, 665, 710, 760, 931, 980, 994, 1064, 1330, 1349, 1420, 1862, 1960, 1988, 2485, 2660, 2698, 2840, 3479, 3724, 3976, 4655, 4970, 5320, 5396, 6745, 6958, 7448, 9310, 9443, 9940, 10792, 13490, 13916, 17395, 18620, 18886, 19880, 26980, 27832, 34790, 37240, 37772, 47215, 53960, 66101, 69580, 75544, 94430, 132202, 139160, 188860, 264404, 330505, 377720, 528808, 661010, 1322020, 2644040]

約数ペア:

[(1, 2644040), (2, 1322020), (4, 661010), (5, 528808), (7, 377720), (8, 330505), (10, 264404), (14, 188860), (19, 139160), (20, 132202), (28, 94430), (35, 75544), (38, 69580), (40, 66101), (49, 53960), (56, 47215), (70, 37772), (71, 37240), (76, 34790), (95, 27832), (98, 26980), (133, 19880), (140, 18886), (142, 18620), (152, 17395), (190, 13916), (196, 13490), (245, 10792), (266, 9940), (280, 9443), (284, 9310), (355, 7448), (380, 6958), (392, 6745), (490, 5396), (497, 5320), (532, 4970), (568, 4655), (665, 3976), (710, 3724), (760, 3479), (931, 2840), (980, 2698), (994, 2660), (1064, 2485), (1330, 1988), (1349, 1960), (1420, 1862)]