2045540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 5174400

約数和(自身を除く): 3128860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 769, 1330, 1538, 2660, 3076, 3845, 5383, 7690, 10766, 14611, 15380, 21532, 26915, 29222, 53830, 58444, 73055, 102277, 107660, 146110, 204554, 292220, 409108, 511385, 1022770, 2045540]

約数ペア:

[(1, 2045540), (2, 1022770), (4, 511385), (5, 409108), (7, 292220), (10, 204554), (14, 146110), (19, 107660), (20, 102277), (28, 73055), (35, 58444), (38, 53830), (70, 29222), (76, 26915), (95, 21532), (133, 15380), (140, 14611), (190, 10766), (266, 7690), (380, 5383), (532, 3845), (665, 3076), (769, 2660), (1330, 1538)]