400162812

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{1579}}^1$

素因数の和:2031

約数の個数: 72

約数和(自身を含む): 1089365760

約数和(自身を除く): 689202948

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 431, 588, 862, 1293, 1579, 1724, 2586, 3017, 3158, 4737, 5172, 6034, 6316, 9051, 9474, 11053, 12068, 18102, 18948, 21119, 22106, 33159, 36204, 42238, 44212, 63357, 66318, 77371, 84476, 126714, 132636, 154742, 232113, 253428, 309484, 464226, 680549, 928452, 1361098, 2041647, 2722196, 4083294, 4763843, 8166588, 9527686, 14291529, 19055372, 28583058, 33346901, 57166116, 66693802, 100040703, 133387604, 200081406, 400162812]

約数ペア:

[(1, 400162812), (2, 200081406), (3, 133387604), (4, 100040703), (6, 66693802), (7, 57166116), (12, 33346901), (14, 28583058), (21, 19055372), (28, 14291529), (42, 9527686), (49, 8166588), (84, 4763843), (98, 4083294), (147, 2722196), (196, 2041647), (294, 1361098), (431, 928452), (588, 680549), (862, 464226), (1293, 309484), (1579, 253428), (1724, 232113), (2586, 154742), (3017, 132636), (3158, 126714), (4737, 84476), (5172, 77371), (6034, 66318), (6316, 63357), (9051, 44212), (9474, 42238), (11053, 36204), (12068, 33159), (18102, 22106), (18948, 21119)]