319791890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{47659}}^1$

素因数の和:47738

約数の個数: 32

約数和(自身を含む): 638262720

約数和(自身を除く): 318470830

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3355, 6710, 47659, 95318, 238295, 476590, 524249, 1048498, 2621245, 2907199, 5242490, 5814398, 14535995, 29071990, 31979189, 63958378, 159895945, 319791890]

約数ペア:

[(1, 319791890), (2, 159895945), (5, 63958378), (10, 31979189), (11, 29071990), (22, 14535995), (55, 5814398), (61, 5242490), (110, 2907199), (122, 2621245), (305, 1048498), (610, 524249), (671, 476590), (1342, 238295), (3355, 95318), (6710, 47659)]