400208830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107873}}^1$

素因数の和:107940

約数の個数: 32

約数和(自身を含む): 838828224

約数和(自身を除く): 438619394

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 107873, 215746, 539365, 755111, 1078730, 1510222, 3775555, 5717269, 7551110, 11434538, 28586345, 40020883, 57172690, 80041766, 200104415, 400208830]

約数ペア:

[(1, 400208830), (2, 200104415), (5, 80041766), (7, 57172690), (10, 40020883), (14, 28586345), (35, 11434538), (53, 7551110), (70, 5717269), (106, 3775555), (265, 1510222), (371, 1078730), (530, 755111), (742, 539365), (1855, 215746), (3710, 107873)]