30976428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 84907200

約数和(自身を除く): 53930772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 139, 147, 196, 278, 294, 379, 417, 556, 588, 758, 834, 973, 1137, 1516, 1668, 1946, 2274, 2653, 2919, 3892, 4548, 5306, 5838, 6811, 7959, 10612, 11676, 13622, 15918, 18571, 20433, 27244, 31836, 37142, 40866, 52681, 55713, 74284, 81732, 105362, 111426, 158043, 210724, 222852, 316086, 368767, 632172, 737534, 1106301, 1475068, 2212602, 2581369, 4425204, 5162738, 7744107, 10325476, 15488214, 30976428]

約数ペア:

[(1, 30976428), (2, 15488214), (3, 10325476), (4, 7744107), (6, 5162738), (7, 4425204), (12, 2581369), (14, 2212602), (21, 1475068), (28, 1106301), (42, 737534), (49, 632172), (84, 368767), (98, 316086), (139, 222852), (147, 210724), (196, 158043), (278, 111426), (294, 105362), (379, 81732), (417, 74284), (556, 55713), (588, 52681), (758, 40866), (834, 37142), (973, 31836), (1137, 27244), (1516, 20433), (1668, 18571), (1946, 15918), (2274, 13622), (2653, 11676), (2919, 10612), (3892, 7959), (4548, 6811), (5306, 5838)]