28908320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:562

約数の個数: 96

約数和(自身を含む): 79688448

約数和(自身を除く): 50780128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 371, 424, 487, 530, 560, 742, 848, 974, 1060, 1120, 1484, 1696, 1855, 1948, 2120, 2435, 2968, 3409, 3710, 3896, 4240, 4870, 5936, 6818, 7420, 7792, 8480, 9740, 11872, 13636, 14840, 15584, 17045, 19480, 25811, 27272, 29680, 34090, 38960, 51622, 54544, 59360, 68180, 77920, 103244, 109088, 129055, 136360, 180677, 206488, 258110, 272720, 361354, 412976, 516220, 545440, 722708, 825952, 903385, 1032440, 1445416, 1806770, 2064880, 2890832, 3613540, 4129760, 5781664, 7227080, 14454160, 28908320]

約数ペア:

[(1, 28908320), (2, 14454160), (4, 7227080), (5, 5781664), (7, 4129760), (8, 3613540), (10, 2890832), (14, 2064880), (16, 1806770), (20, 1445416), (28, 1032440), (32, 903385), (35, 825952), (40, 722708), (53, 545440), (56, 516220), (70, 412976), (80, 361354), (106, 272720), (112, 258110), (140, 206488), (160, 180677), (212, 136360), (224, 129055), (265, 109088), (280, 103244), (371, 77920), (424, 68180), (487, 59360), (530, 54544), (560, 51622), (742, 38960), (848, 34090), (974, 29680), (1060, 27272), (1120, 25811), (1484, 19480), (1696, 17045), (1855, 15584), (1948, 14840), (2120, 13636), (2435, 11872), (2968, 9740), (3409, 8480), (3710, 7792), (3896, 7420), (4240, 6818), (4870, 5936)]