397345240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 986774400

約数和(自身を除く): 589429160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 53, 58, 92, 106, 115, 116, 145, 184, 212, 230, 232, 265, 281, 290, 424, 460, 530, 562, 580, 667, 920, 1060, 1124, 1160, 1219, 1334, 1405, 1537, 2120, 2248, 2438, 2668, 2810, 3074, 3335, 4876, 5336, 5620, 6095, 6148, 6463, 6670, 7685, 8149, 9752, 11240, 12190, 12296, 12926, 13340, 14893, 15370, 16298, 24380, 25852, 26680, 29786, 30740, 32315, 32596, 35351, 40745, 48760, 51704, 59572, 61480, 64630, 65192, 70702, 74465, 81490, 119144, 129260, 141404, 148930, 162980, 176755, 187427, 258520, 282808, 297860, 325960, 342539, 353510, 374854, 431897, 595720, 685078, 707020, 749708, 863794, 937135, 1370156, 1414040, 1499416, 1712695, 1727588, 1874270, 2159485, 2740312, 3425390, 3455176, 3748540, 4318970, 6850780, 7497080, 8637940, 9933631, 13701560, 17275880, 19867262, 39734524, 49668155, 79469048, 99336310, 198672620, 397345240]

約数ペア:

[(1, 397345240), (2, 198672620), (4, 99336310), (5, 79469048), (8, 49668155), (10, 39734524), (20, 19867262), (23, 17275880), (29, 13701560), (40, 9933631), (46, 8637940), (53, 7497080), (58, 6850780), (92, 4318970), (106, 3748540), (115, 3455176), (116, 3425390), (145, 2740312), (184, 2159485), (212, 1874270), (230, 1727588), (232, 1712695), (265, 1499416), (281, 1414040), (290, 1370156), (424, 937135), (460, 863794), (530, 749708), (562, 707020), (580, 685078), (667, 595720), (920, 431897), (1060, 374854), (1124, 353510), (1160, 342539), (1219, 325960), (1334, 297860), (1405, 282808), (1537, 258520), (2120, 187427), (2248, 176755), (2438, 162980), (2668, 148930), (2810, 141404), (3074, 129260), (3335, 119144), (4876, 81490), (5336, 74465), (5620, 70702), (6095, 65192), (6148, 64630), (6463, 61480), (6670, 59572), (7685, 51704), (8149, 48760), (9752, 40745), (11240, 35351), (12190, 32596), (12296, 32315), (12926, 30740), (13340, 29786), (14893, 26680), (15370, 25852), (16298, 24380)]