28237230

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:383

約数の個数: 144

約数和(自身を含む): 90164880

約数和(自身を除く): 61927650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 49, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 147, 171, 190, 210, 245, 266, 285, 294, 315, 337, 342, 399, 441, 490, 570, 630, 665, 674, 735, 798, 855, 882, 931, 1011, 1197, 1330, 1470, 1685, 1710, 1862, 1995, 2022, 2205, 2359, 2394, 2793, 3033, 3370, 3990, 4410, 4655, 4718, 5055, 5586, 5985, 6066, 6403, 7077, 8379, 9310, 10110, 11795, 11970, 12806, 13965, 14154, 15165, 16513, 16758, 19209, 21231, 23590, 27930, 30330, 32015, 33026, 35385, 38418, 41895, 42462, 44821, 49539, 57627, 64030, 70770, 82565, 83790, 89642, 96045, 99078, 106155, 115254, 134463, 148617, 165130, 192090, 212310, 224105, 247695, 268926, 288135, 297234, 313747, 403389, 448210, 495390, 576270, 627494, 672315, 743085, 806778, 941241, 1344630, 1486170, 1568735, 1882482, 2016945, 2823723, 3137470, 4033890, 4706205, 5647446, 9412410, 14118615, 28237230]

約数ペア:

[(1, 28237230), (2, 14118615), (3, 9412410), (5, 5647446), (6, 4706205), (7, 4033890), (9, 3137470), (10, 2823723), (14, 2016945), (15, 1882482), (18, 1568735), (19, 1486170), (21, 1344630), (30, 941241), (35, 806778), (38, 743085), (42, 672315), (45, 627494), (49, 576270), (57, 495390), (63, 448210), (70, 403389), (90, 313747), (95, 297234), (98, 288135), (105, 268926), (114, 247695), (126, 224105), (133, 212310), (147, 192090), (171, 165130), (190, 148617), (210, 134463), (245, 115254), (266, 106155), (285, 99078), (294, 96045), (315, 89642), (337, 83790), (342, 82565), (399, 70770), (441, 64030), (490, 57627), (570, 49539), (630, 44821), (665, 42462), (674, 41895), (735, 38418), (798, 35385), (855, 33026), (882, 32015), (931, 30330), (1011, 27930), (1197, 23590), (1330, 21231), (1470, 19209), (1685, 16758), (1710, 16513), (1862, 15165), (1995, 14154), (2022, 13965), (2205, 12806), (2359, 11970), (2394, 11795), (2793, 10110), (3033, 9310), (3370, 8379), (3990, 7077), (4410, 6403), (4655, 6066), (4718, 5985), (5055, 5586)]