402525980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1\times {\mathrm{607}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 860461056

約数和(自身を除く): 457935076

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 467, 607, 710, 934, 1214, 1420, 1868, 2335, 2428, 3035, 4670, 6070, 9340, 12140, 33157, 43097, 66314, 86194, 132628, 165785, 172388, 215485, 283469, 331570, 430970, 566938, 663140, 861940, 1133876, 1417345, 2834690, 5669380, 20126299, 40252598, 80505196, 100631495, 201262990, 402525980]

約数ペア:

[(1, 402525980), (2, 201262990), (4, 100631495), (5, 80505196), (10, 40252598), (20, 20126299), (71, 5669380), (142, 2834690), (284, 1417345), (355, 1133876), (467, 861940), (607, 663140), (710, 566938), (934, 430970), (1214, 331570), (1420, 283469), (1868, 215485), (2335, 172388), (2428, 165785), (3035, 132628), (4670, 86194), (6070, 66314), (9340, 43097), (12140, 33157)]