163669940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2381}}^1$

素因数の和:2888

約数の個数: 48

約数和(自身を含む): 393773184

約数和(自身を除く): 230103244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1964, 2381, 2455, 3437, 4762, 4910, 6874, 9524, 9820, 11905, 13748, 16667, 17185, 23810, 33334, 34370, 47620, 66668, 68740, 83335, 166670, 333340, 1169071, 2338142, 4676284, 5845355, 8183497, 11690710, 16366994, 23381420, 32733988, 40917485, 81834970, 163669940]

約数ペア:

[(1, 163669940), (2, 81834970), (4, 40917485), (5, 32733988), (7, 23381420), (10, 16366994), (14, 11690710), (20, 8183497), (28, 5845355), (35, 4676284), (70, 2338142), (140, 1169071), (491, 333340), (982, 166670), (1964, 83335), (2381, 68740), (2455, 66668), (3437, 47620), (4762, 34370), (4910, 33334), (6874, 23810), (9524, 17185), (9820, 16667), (11905, 13748)]