1791020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1163}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 4693248

約数和(自身を除く): 2902228

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, 1163, 1540, 2326, 4652, 5815, 8141, 11630, 12793, 16282, 23260, 25586, 32564, 40705, 51172, 63965, 81410, 89551, 127930, 162820, 179102, 255860, 358204, 447755, 895510, 1791020]

約数ペア:

[(1, 1791020), (2, 895510), (4, 447755), (5, 358204), (7, 255860), (10, 179102), (11, 162820), (14, 127930), (20, 89551), (22, 81410), (28, 63965), (35, 51172), (44, 40705), (55, 32564), (70, 25586), (77, 23260), (110, 16282), (140, 12793), (154, 11630), (220, 8141), (308, 5815), (385, 4652), (770, 2326), (1163, 1540)]