203418208

素因数分解:

$2^5\times 7^3\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 479001600

約数和(自身を除く): 275583392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 86, 98, 112, 172, 196, 224, 301, 343, 344, 392, 431, 602, 686, 688, 784, 862, 1204, 1372, 1376, 1568, 1724, 2107, 2408, 2744, 3017, 3448, 4214, 4816, 5488, 6034, 6896, 8428, 9632, 10976, 12068, 13792, 14749, 16856, 18533, 21119, 24136, 29498, 33712, 37066, 42238, 48272, 58996, 67424, 74132, 84476, 96544, 117992, 129731, 147833, 148264, 168952, 235984, 259462, 295666, 296528, 337904, 471968, 518924, 591332, 593056, 675808, 908117, 1037848, 1182664, 1816234, 2075696, 2365328, 3632468, 4151392, 4730656, 6356819, 7264936, 12713638, 14529872, 25427276, 29059744, 50854552, 101709104, 203418208]

約数ペア:

[(1, 203418208), (2, 101709104), (4, 50854552), (7, 29059744), (8, 25427276), (14, 14529872), (16, 12713638), (28, 7264936), (32, 6356819), (43, 4730656), (49, 4151392), (56, 3632468), (86, 2365328), (98, 2075696), (112, 1816234), (172, 1182664), (196, 1037848), (224, 908117), (301, 675808), (343, 593056), (344, 591332), (392, 518924), (431, 471968), (602, 337904), (686, 296528), (688, 295666), (784, 259462), (862, 235984), (1204, 168952), (1372, 148264), (1376, 147833), (1568, 129731), (1724, 117992), (2107, 96544), (2408, 84476), (2744, 74132), (3017, 67424), (3448, 58996), (4214, 48272), (4816, 42238), (5488, 37066), (6034, 33712), (6896, 29498), (8428, 24136), (9632, 21119), (10976, 18533), (12068, 16856), (13792, 14749)]