198457290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{499}}^1$

素因数の和:1009

約数の個数: 80

約数和(自身を含む): 535788000

約数和(自身を除く): 337330710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 491, 499, 810, 982, 998, 1473, 1497, 2455, 2495, 2946, 2994, 4419, 4491, 4910, 4990, 7365, 7485, 8838, 8982, 13257, 13473, 14730, 14970, 22095, 22455, 26514, 26946, 39771, 40419, 44190, 44910, 66285, 67365, 79542, 80838, 132570, 134730, 198855, 202095, 245009, 397710, 404190, 490018, 735027, 1225045, 1470054, 2205081, 2450090, 3675135, 4410162, 6615243, 7350270, 11025405, 13230486, 19845729, 22050810, 33076215, 39691458, 66152430, 99228645, 198457290]

約数ペア:

[(1, 198457290), (2, 99228645), (3, 66152430), (5, 39691458), (6, 33076215), (9, 22050810), (10, 19845729), (15, 13230486), (18, 11025405), (27, 7350270), (30, 6615243), (45, 4410162), (54, 3675135), (81, 2450090), (90, 2205081), (135, 1470054), (162, 1225045), (270, 735027), (405, 490018), (491, 404190), (499, 397710), (810, 245009), (982, 202095), (998, 198855), (1473, 134730), (1497, 132570), (2455, 80838), (2495, 79542), (2946, 67365), (2994, 66285), (4419, 44910), (4491, 44190), (4910, 40419), (4990, 39771), (7365, 26946), (7485, 26514), (8838, 22455), (8982, 22095), (13257, 14970), (13473, 14730)]