381489730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{27191}}^1$

素因数の和:27282

約数の個数: 32

約数和(自身を含む): 728310528

約数和(自身を除く): 346820798

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 610, 1403, 2806, 7015, 14030, 27191, 54382, 135955, 271910, 625393, 1250786, 1658651, 3126965, 3317302, 6253930, 8293255, 16586510, 38148973, 76297946, 190744865, 381489730]

約数ペア:

[(1, 381489730), (2, 190744865), (5, 76297946), (10, 38148973), (23, 16586510), (46, 8293255), (61, 6253930), (115, 3317302), (122, 3126965), (230, 1658651), (305, 1250786), (610, 625393), (1403, 271910), (2806, 135955), (7015, 54382), (14030, 27191)]