208731040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{821}}^1$

素因数の和:1070

約数の個数: 96

約数和(自身を含む): 566745984

約数和(自身を除く): 358014944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 227, 280, 454, 560, 821, 908, 1120, 1135, 1589, 1642, 1816, 2270, 3178, 3284, 3632, 4105, 4540, 5747, 6356, 6568, 7264, 7945, 8210, 9080, 11494, 12712, 13136, 15890, 16420, 18160, 22988, 25424, 26272, 28735, 31780, 32840, 36320, 45976, 50848, 57470, 63560, 65680, 91952, 114940, 127120, 131360, 183904, 186367, 229880, 254240, 372734, 459760, 745468, 919520, 931835, 1304569, 1490936, 1863670, 2609138, 2981872, 3727340, 5218276, 5963744, 6522845, 7454680, 10436552, 13045690, 14909360, 20873104, 26091380, 29818720, 41746208, 52182760, 104365520, 208731040]

約数ペア:

[(1, 208731040), (2, 104365520), (4, 52182760), (5, 41746208), (7, 29818720), (8, 26091380), (10, 20873104), (14, 14909360), (16, 13045690), (20, 10436552), (28, 7454680), (32, 6522845), (35, 5963744), (40, 5218276), (56, 3727340), (70, 2981872), (80, 2609138), (112, 1863670), (140, 1490936), (160, 1304569), (224, 931835), (227, 919520), (280, 745468), (454, 459760), (560, 372734), (821, 254240), (908, 229880), (1120, 186367), (1135, 183904), (1589, 131360), (1642, 127120), (1816, 114940), (2270, 91952), (3178, 65680), (3284, 63560), (3632, 57470), (4105, 50848), (4540, 45976), (5747, 36320), (6356, 32840), (6568, 31780), (7264, 28735), (7945, 26272), (8210, 25424), (9080, 22988), (11494, 18160), (12712, 16420), (13136, 15890)]