198157260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{471803}}^1$

素因数の和:471822

約数の個数: 48

約数和(自身を含む): 634104576

約数和(自身を除く): 435947316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 471803, 943606, 1415409, 1887212, 2359015, 2830818, 3302621, 4718030, 5661636, 6605242, 7077045, 9436060, 9907863, 13210484, 14154090, 16513105, 19815726, 28308180, 33026210, 39631452, 49539315, 66052420, 99078630, 198157260]

約数ペア:

[(1, 198157260), (2, 99078630), (3, 66052420), (4, 49539315), (5, 39631452), (6, 33026210), (7, 28308180), (10, 19815726), (12, 16513105), (14, 14154090), (15, 13210484), (20, 9907863), (21, 9436060), (28, 7077045), (30, 6605242), (35, 5661636), (42, 4718030), (60, 3302621), (70, 2830818), (84, 2359015), (105, 1887212), (140, 1415409), (210, 943606), (420, 471803)]