821951210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{70919}}^1$

素因数の和:71006

約数の個数: 32

約数和(自身を含む): 1582934400

約数和(自身を除く): 760983190

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 5795, 11590, 70919, 141838, 354595, 709190, 1347461, 2694922, 4326059, 6737305, 8652118, 13474610, 21630295, 43260590, 82195121, 164390242, 410975605, 821951210]

約数ペア:

[(1, 821951210), (2, 410975605), (5, 164390242), (10, 82195121), (19, 43260590), (38, 21630295), (61, 13474610), (95, 8652118), (122, 6737305), (190, 4326059), (305, 2694922), (610, 1347461), (1159, 709190), (2318, 354595), (5795, 141838), (11590, 70919)]