201498980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{1747}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 434622720

約数和(自身を除く): 233123740

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 292, 316, 365, 395, 730, 790, 1460, 1580, 1747, 3494, 5767, 6988, 8735, 11534, 17470, 23068, 28835, 34940, 57670, 115340, 127531, 138013, 255062, 276026, 510124, 552052, 637655, 690065, 1275310, 1380130, 2550620, 2760260, 10074949, 20149898, 40299796, 50374745, 100749490, 201498980]

約数ペア:

[(1, 201498980), (2, 100749490), (4, 50374745), (5, 40299796), (10, 20149898), (20, 10074949), (73, 2760260), (79, 2550620), (146, 1380130), (158, 1275310), (292, 690065), (316, 637655), (365, 552052), (395, 510124), (730, 276026), (790, 255062), (1460, 138013), (1580, 127531), (1747, 115340), (3494, 57670), (5767, 34940), (6988, 28835), (8735, 23068), (11534, 17470)]