140279748

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3911}}^1$

素因数の和:3993

約数の個数: 72

約数和(自身を含む): 387100224

約数和(自身を除く): 246820476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 588, 732, 854, 1281, 1708, 2562, 2989, 3911, 5124, 5978, 7822, 8967, 11733, 11956, 15644, 17934, 23466, 27377, 35868, 46932, 54754, 82131, 109508, 164262, 191639, 238571, 328524, 383278, 477142, 574917, 715713, 766556, 954284, 1149834, 1431426, 1669997, 2299668, 2862852, 3339994, 5009991, 6679988, 10019982, 11689979, 20039964, 23379958, 35069937, 46759916, 70139874, 140279748]

約数ペア:

[(1, 140279748), (2, 70139874), (3, 46759916), (4, 35069937), (6, 23379958), (7, 20039964), (12, 11689979), (14, 10019982), (21, 6679988), (28, 5009991), (42, 3339994), (49, 2862852), (61, 2299668), (84, 1669997), (98, 1431426), (122, 1149834), (147, 954284), (183, 766556), (196, 715713), (244, 574917), (294, 477142), (366, 383278), (427, 328524), (588, 238571), (732, 191639), (854, 164262), (1281, 109508), (1708, 82131), (2562, 54754), (2989, 46932), (3911, 35868), (5124, 27377), (5978, 23466), (7822, 17934), (8967, 15644), (11733, 11956)]