291269020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{4513}}^1$

素因数の和:4990

約数の個数: 48

約数和(自身を含む): 700717248

約数和(自身を除く): 409448228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461, 922, 1844, 2305, 3227, 4513, 4610, 6454, 9026, 9220, 12908, 16135, 18052, 22565, 31591, 32270, 45130, 63182, 64540, 90260, 126364, 157955, 315910, 631820, 2080493, 4160986, 8321972, 10402465, 14563451, 20804930, 29126902, 41609860, 58253804, 72817255, 145634510, 291269020]

約数ペア:

[(1, 291269020), (2, 145634510), (4, 72817255), (5, 58253804), (7, 41609860), (10, 29126902), (14, 20804930), (20, 14563451), (28, 10402465), (35, 8321972), (70, 4160986), (140, 2080493), (461, 631820), (922, 315910), (1844, 157955), (2305, 126364), (3227, 90260), (4513, 64540), (4610, 63182), (6454, 45130), (9026, 32270), (9220, 31591), (12908, 22565), (16135, 18052)]