1906520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 5356800

約数和(自身を除く): 3450280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 619, 770, 1238, 1540, 2476, 3080, 3095, 4333, 4952, 6190, 6809, 8666, 12380, 13618, 17332, 21665, 24760, 27236, 34045, 34664, 43330, 47663, 54472, 68090, 86660, 95326, 136180, 173320, 190652, 238315, 272360, 381304, 476630, 953260, 1906520]

約数ペア:

[(1, 1906520), (2, 953260), (4, 476630), (5, 381304), (7, 272360), (8, 238315), (10, 190652), (11, 173320), (14, 136180), (20, 95326), (22, 86660), (28, 68090), (35, 54472), (40, 47663), (44, 43330), (55, 34664), (56, 34045), (70, 27236), (77, 24760), (88, 21665), (110, 17332), (140, 13618), (154, 12380), (220, 8666), (280, 6809), (308, 6190), (385, 4952), (440, 4333), (616, 3095), (619, 3080), (770, 2476), (1238, 1540)]