396207540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4483}}^1$

素因数の和:4989

約数の個数: 72

約数和(自身を含む): 1204545888

約数和(自身を除く): 808338348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 1473, 1964, 2455, 2946, 4419, 4483, 4910, 5892, 7365, 8838, 8966, 9820, 13449, 14730, 17676, 17932, 22095, 22415, 26898, 29460, 40347, 44190, 44830, 53796, 67245, 80694, 88380, 89660, 134490, 161388, 201735, 268980, 403470, 806940, 2201153, 4402306, 6603459, 8804612, 11005765, 13206918, 19810377, 22011530, 26413836, 33017295, 39620754, 44023060, 66034590, 79241508, 99051885, 132069180, 198103770, 396207540]

約数ペア:

[(1, 396207540), (2, 198103770), (3, 132069180), (4, 99051885), (5, 79241508), (6, 66034590), (9, 44023060), (10, 39620754), (12, 33017295), (15, 26413836), (18, 22011530), (20, 19810377), (30, 13206918), (36, 11005765), (45, 8804612), (60, 6603459), (90, 4402306), (180, 2201153), (491, 806940), (982, 403470), (1473, 268980), (1964, 201735), (2455, 161388), (2946, 134490), (4419, 89660), (4483, 88380), (4910, 80694), (5892, 67245), (7365, 53796), (8838, 44830), (8966, 44190), (9820, 40347), (13449, 29460), (14730, 26898), (17676, 22415), (17932, 22095)]