338828180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{3739}}^1$

素因数の和:3968

約数の個数: 48

約数和(自身を含む): 746444160

約数和(自身を除く): 407615980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 197, 230, 394, 460, 788, 985, 1970, 3739, 3940, 4531, 7478, 9062, 14956, 18124, 18695, 22655, 37390, 45310, 74780, 85997, 90620, 171994, 343988, 429985, 736583, 859970, 1473166, 1719940, 2946332, 3682915, 7365830, 14731660, 16941409, 33882818, 67765636, 84707045, 169414090, 338828180]

約数ペア:

[(1, 338828180), (2, 169414090), (4, 84707045), (5, 67765636), (10, 33882818), (20, 16941409), (23, 14731660), (46, 7365830), (92, 3682915), (115, 2946332), (197, 1719940), (230, 1473166), (394, 859970), (460, 736583), (788, 429985), (985, 343988), (1970, 171994), (3739, 90620), (3940, 85997), (4531, 74780), (7478, 45310), (9062, 37390), (14956, 22655), (18124, 18695)]