198957240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{552659}}^1$

素因数の和:552676

約数の個数: 48

約数和(自身を含む): 646612200

約数和(自身を除く): 447654960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 552659, 1105318, 1657977, 2210636, 2763295, 3315954, 4421272, 4973931, 5526590, 6631908, 8289885, 9947862, 11053180, 13263816, 16579770, 19895724, 22106360, 24869655, 33159540, 39791448, 49739310, 66319080, 99478620, 198957240]

約数ペア:

[(1, 198957240), (2, 99478620), (3, 66319080), (4, 49739310), (5, 39791448), (6, 33159540), (8, 24869655), (9, 22106360), (10, 19895724), (12, 16579770), (15, 13263816), (18, 11053180), (20, 9947862), (24, 8289885), (30, 6631908), (36, 5526590), (40, 4973931), (45, 4421272), (60, 3315954), (72, 2763295), (90, 2210636), (120, 1657977), (180, 1105318), (360, 552659)]