1322020

素因数分解:

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

素因数の和:113

約数の個数: 72

約数和(自身を含む): 3447360

約数和(自身を除く): 2125340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 71, 76, 95, 98, 133, 140, 142, 190, 196, 245, 266, 284, 355, 380, 490, 497, 532, 665, 710, 931, 980, 994, 1330, 1349, 1420, 1862, 1988, 2485, 2660, 2698, 3479, 3724, 4655, 4970, 5396, 6745, 6958, 9310, 9443, 9940, 13490, 13916, 17395, 18620, 18886, 26980, 34790, 37772, 47215, 66101, 69580, 94430, 132202, 188860, 264404, 330505, 661010, 1322020]

約数ペア:

[(1, 1322020), (2, 661010), (4, 330505), (5, 264404), (7, 188860), (10, 132202), (14, 94430), (19, 69580), (20, 66101), (28, 47215), (35, 37772), (38, 34790), (49, 26980), (70, 18886), (71, 18620), (76, 17395), (95, 13916), (98, 13490), (133, 9940), (140, 9443), (142, 9310), (190, 6958), (196, 6745), (245, 5396), (266, 4970), (284, 4655), (355, 3724), (380, 3479), (490, 2698), (497, 2660), (532, 2485), (665, 1988), (710, 1862), (931, 1420), (980, 1349), (994, 1330)]