209435470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{6551}}^1$

素因数の和:6720

約数の個数: 32

約数和(自身を含む): 396264960

約数和(自身を除く): 186829490

約数列:

[1, 2, 5, 10, 23, 46, 115, 139, 230, 278, 695, 1390, 3197, 6394, 6551, 13102, 15985, 31970, 32755, 65510, 150673, 301346, 753365, 910589, 1506730, 1821178, 4552945, 9105890, 20943547, 41887094, 104717735, 209435470]

約数ペア:

[(1, 209435470), (2, 104717735), (5, 41887094), (10, 20943547), (23, 9105890), (46, 4552945), (115, 1821178), (139, 1506730), (230, 910589), (278, 753365), (695, 301346), (1390, 150673), (3197, 65510), (6394, 32755), (6551, 31970), (13102, 15985)]