90302830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1993}}^1$

素因数の和:2220

約数の個数: 32

約数和(自身を含む): 170558784

約数和(自身を除く): 80255954

約数列:

[1, 2, 5, 10, 23, 46, 115, 197, 230, 394, 985, 1970, 1993, 3986, 4531, 9062, 9965, 19930, 22655, 45310, 45839, 91678, 229195, 392621, 458390, 785242, 1963105, 3926210, 9030283, 18060566, 45151415, 90302830]

約数ペア:

[(1, 90302830), (2, 45151415), (5, 18060566), (10, 9030283), (23, 3926210), (46, 1963105), (115, 785242), (197, 458390), (230, 392621), (394, 229195), (985, 91678), (1970, 45839), (1993, 45310), (3986, 22655), (4531, 19930), (9062, 9965)]