160408780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{8243}}^1$

素因数の和:8398

約数の個数: 48

約数和(自身を含む): 387797760

約数和(自身を除く): 227388980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 8243, 9730, 16486, 19460, 32972, 41215, 57701, 82430, 115402, 164860, 230804, 288505, 577010, 1145777, 1154020, 2291554, 4583108, 5728885, 8020439, 11457770, 16040878, 22915540, 32081756, 40102195, 80204390, 160408780]

約数ペア:

[(1, 160408780), (2, 80204390), (4, 40102195), (5, 32081756), (7, 22915540), (10, 16040878), (14, 11457770), (20, 8020439), (28, 5728885), (35, 4583108), (70, 2291554), (139, 1154020), (140, 1145777), (278, 577010), (556, 288505), (695, 230804), (973, 164860), (1390, 115402), (1946, 82430), (2780, 57701), (3892, 41215), (4865, 32972), (8243, 19460), (9730, 16486)]