208543860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{165511}}^1$

素因数の和:165533

約数の個数: 72

約数和(自身を含む): 722956416

約数和(自身を除く): 514412556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 165511, 331022, 496533, 662044, 827555, 993066, 1158577, 1489599, 1655110, 1986132, 2317154, 2482665, 2979198, 3310220, 3475731, 4634308, 4965330, 5792885, 5958396, 6951462, 7447995, 9930660, 10427193, 11585770, 13902924, 14895990, 17378655, 20854386, 23171540, 29791980, 34757310, 41708772, 52135965, 69514620, 104271930, 208543860]

約数ペア:

[(1, 208543860), (2, 104271930), (3, 69514620), (4, 52135965), (5, 41708772), (6, 34757310), (7, 29791980), (9, 23171540), (10, 20854386), (12, 17378655), (14, 14895990), (15, 13902924), (18, 11585770), (20, 10427193), (21, 9930660), (28, 7447995), (30, 6951462), (35, 5958396), (36, 5792885), (42, 4965330), (45, 4634308), (60, 3475731), (63, 3310220), (70, 2979198), (84, 2482665), (90, 2317154), (105, 1986132), (126, 1655110), (140, 1489599), (180, 1158577), (210, 993066), (252, 827555), (315, 662044), (420, 496533), (630, 331022), (1260, 165511)]