30891756

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 84805056

約数和(自身を除く): 53913300

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 107, 147, 196, 214, 294, 321, 428, 491, 588, 642, 749, 982, 1284, 1473, 1498, 1964, 2247, 2946, 2996, 3437, 4494, 5243, 5892, 6874, 8988, 10311, 10486, 13748, 15729, 20622, 20972, 24059, 31458, 41244, 48118, 52537, 62916, 72177, 96236, 105074, 144354, 157611, 210148, 288708, 315222, 367759, 630444, 735518, 1103277, 1471036, 2206554, 2574313, 4413108, 5148626, 7722939, 10297252, 15445878, 30891756]

約数ペア:

[(1, 30891756), (2, 15445878), (3, 10297252), (4, 7722939), (6, 5148626), (7, 4413108), (12, 2574313), (14, 2206554), (21, 1471036), (28, 1103277), (42, 735518), (49, 630444), (84, 367759), (98, 315222), (107, 288708), (147, 210148), (196, 157611), (214, 144354), (294, 105074), (321, 96236), (428, 72177), (491, 62916), (588, 52537), (642, 48118), (749, 41244), (982, 31458), (1284, 24059), (1473, 20972), (1498, 20622), (1964, 15729), (2247, 13748), (2946, 10486), (2996, 10311), (3437, 8988), (4494, 6874), (5243, 5892)]