488391428

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 1052402400

約数和(自身を除く): 564010972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 313, 419, 532, 626, 838, 931, 1252, 1676, 1862, 2191, 2933, 3724, 4382, 5866, 5947, 7961, 8764, 11732, 11894, 15337, 15922, 20531, 23788, 30674, 31844, 41062, 41629, 55727, 61348, 82124, 83258, 111454, 131147, 166516, 222908, 262294, 291403, 390089, 524588, 582806, 780178, 918029, 1165612, 1560356, 1836058, 2491793, 3672116, 4983586, 6426203, 9967172, 12852406, 17442551, 25704812, 34885102, 69770204, 122097857, 244195714, 488391428]

約数ペア:

[(1, 488391428), (2, 244195714), (4, 122097857), (7, 69770204), (14, 34885102), (19, 25704812), (28, 17442551), (38, 12852406), (49, 9967172), (76, 6426203), (98, 4983586), (133, 3672116), (196, 2491793), (266, 1836058), (313, 1560356), (419, 1165612), (532, 918029), (626, 780178), (838, 582806), (931, 524588), (1252, 390089), (1676, 291403), (1862, 262294), (2191, 222908), (2933, 166516), (3724, 131147), (4382, 111454), (5866, 83258), (5947, 82124), (7961, 61348), (8764, 55727), (11732, 41629), (11894, 41062), (15337, 31844), (15922, 30674), (20531, 23788)]