7862540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 19649952

約数和(自身を除く): 11787412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 113, 140, 142, 196, 226, 245, 284, 355, 452, 490, 497, 565, 710, 791, 980, 994, 1130, 1420, 1582, 1988, 2260, 2485, 3164, 3479, 3955, 4970, 5537, 6958, 7910, 8023, 9940, 11074, 13916, 15820, 16046, 17395, 22148, 27685, 32092, 34790, 40115, 55370, 56161, 69580, 80230, 110740, 112322, 160460, 224644, 280805, 393127, 561610, 786254, 1123220, 1572508, 1965635, 3931270, 7862540]

約数ペア:

[(1, 7862540), (2, 3931270), (4, 1965635), (5, 1572508), (7, 1123220), (10, 786254), (14, 561610), (20, 393127), (28, 280805), (35, 224644), (49, 160460), (70, 112322), (71, 110740), (98, 80230), (113, 69580), (140, 56161), (142, 55370), (196, 40115), (226, 34790), (245, 32092), (284, 27685), (355, 22148), (452, 17395), (490, 16046), (497, 15820), (565, 13916), (710, 11074), (791, 9940), (980, 8023), (994, 7910), (1130, 6958), (1420, 5537), (1582, 4970), (1988, 3955), (2260, 3479), (2485, 3164)]