129946180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71399}}^1$

素因数の和:71428

約数の個数: 48

約数和(自身を含む): 335865600

約数和(自身を除く): 205919420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 71399, 142798, 285596, 356995, 499793, 713990, 928187, 999586, 1427980, 1856374, 1999172, 2498965, 3712748, 4640935, 4997930, 6497309, 9281870, 9995860, 12994618, 18563740, 25989236, 32486545, 64973090, 129946180]

約数ペア:

[(1, 129946180), (2, 64973090), (4, 32486545), (5, 25989236), (7, 18563740), (10, 12994618), (13, 9995860), (14, 9281870), (20, 6497309), (26, 4997930), (28, 4640935), (35, 3712748), (52, 2498965), (65, 1999172), (70, 1856374), (91, 1427980), (130, 999586), (140, 928187), (182, 713990), (260, 499793), (364, 356995), (455, 285596), (910, 142798), (1820, 71399)]