7751380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4259}}^1$

素因数の和:4288

約数の個数: 48

約数和(自身を含む): 20039040

約数和(自身を除く): 12287660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4259, 8518, 17036, 21295, 29813, 42590, 55367, 59626, 85180, 110734, 119252, 149065, 221468, 276835, 298130, 387569, 553670, 596260, 775138, 1107340, 1550276, 1937845, 3875690, 7751380]

約数ペア:

[(1, 7751380), (2, 3875690), (4, 1937845), (5, 1550276), (7, 1107340), (10, 775138), (13, 596260), (14, 553670), (20, 387569), (26, 298130), (28, 276835), (35, 221468), (52, 149065), (65, 119252), (70, 110734), (91, 85180), (130, 59626), (140, 55367), (182, 42590), (260, 29813), (364, 21295), (455, 17036), (910, 8518), (1820, 4259)]