128939700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{22621}}^1$

素因数の和:22657

約数の個数: 72

約数和(自身を含む): 392717920

約数和(自身を除く): 263778220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 228, 285, 300, 380, 475, 570, 950, 1140, 1425, 1900, 2850, 5700, 22621, 45242, 67863, 90484, 113105, 135726, 226210, 271452, 339315, 429799, 452420, 565525, 678630, 859598, 1131050, 1289397, 1357260, 1696575, 1719196, 2148995, 2262100, 2578794, 3393150, 4297990, 5157588, 6446985, 6786300, 8595980, 10744975, 12893970, 21489950, 25787940, 32234925, 42979900, 64469850, 128939700]

約数ペア:

[(1, 128939700), (2, 64469850), (3, 42979900), (4, 32234925), (5, 25787940), (6, 21489950), (10, 12893970), (12, 10744975), (15, 8595980), (19, 6786300), (20, 6446985), (25, 5157588), (30, 4297990), (38, 3393150), (50, 2578794), (57, 2262100), (60, 2148995), (75, 1719196), (76, 1696575), (95, 1357260), (100, 1289397), (114, 1131050), (150, 859598), (190, 678630), (228, 565525), (285, 452420), (300, 429799), (380, 339315), (475, 271452), (570, 226210), (950, 135726), (1140, 113105), (1425, 90484), (1900, 67863), (2850, 45242), (5700, 22621)]