2884420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1873}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 7555968

約数和(自身を除く): 4671548

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1873, 3746, 7492, 9365, 13111, 18730, 20603, 26222, 37460, 41206, 52444, 65555, 82412, 103015, 131110, 144221, 206030, 262220, 288442, 412060, 576884, 721105, 1442210, 2884420]

約数ペア:

[(1, 2884420), (2, 1442210), (4, 721105), (5, 576884), (7, 412060), (10, 288442), (11, 262220), (14, 206030), (20, 144221), (22, 131110), (28, 103015), (35, 82412), (44, 65555), (55, 52444), (70, 41206), (77, 37460), (110, 26222), (140, 20603), (154, 18730), (220, 13111), (308, 9365), (385, 7492), (770, 3746), (1540, 1873)]