129337460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{487}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 317769984

約数和(自身を除く): 188432524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 271, 487, 490, 542, 974, 980, 1084, 1355, 1897, 1948, 2435, 2710, 3409, 3794, 4870, 5420, 6818, 7588, 9485, 9740, 13279, 13636, 17045, 18970, 23863, 26558, 34090, 37940, 47726, 53116, 66395, 68180, 95452, 119315, 131977, 132790, 238630, 263954, 265580, 477260, 527908, 659885, 923839, 1319770, 1847678, 2639540, 3695356, 4619195, 6466873, 9238390, 12933746, 18476780, 25867492, 32334365, 64668730, 129337460]

約数ペア:

[(1, 129337460), (2, 64668730), (4, 32334365), (5, 25867492), (7, 18476780), (10, 12933746), (14, 9238390), (20, 6466873), (28, 4619195), (35, 3695356), (49, 2639540), (70, 1847678), (98, 1319770), (140, 923839), (196, 659885), (245, 527908), (271, 477260), (487, 265580), (490, 263954), (542, 238630), (974, 132790), (980, 131977), (1084, 119315), (1355, 95452), (1897, 68180), (1948, 66395), (2435, 53116), (2710, 47726), (3409, 37940), (3794, 34090), (4870, 26558), (5420, 23863), (6818, 18970), (7588, 17045), (9485, 13636), (9740, 13279)]