201817640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4139}}^1$

素因数の和:4226

約数の個数: 64

約数和(自身を含む): 482889600

約数和(自身を除く): 281071960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 184, 212, 230, 265, 424, 460, 530, 920, 1060, 1219, 2120, 2438, 4139, 4876, 6095, 8278, 9752, 12190, 16556, 20695, 24380, 33112, 41390, 48760, 82780, 95197, 165560, 190394, 219367, 380788, 438734, 475985, 761576, 877468, 951970, 1096835, 1754936, 1903940, 2193670, 3807880, 4387340, 5045441, 8774680, 10090882, 20181764, 25227205, 40363528, 50454410, 100908820, 201817640]

約数ペア:

[(1, 201817640), (2, 100908820), (4, 50454410), (5, 40363528), (8, 25227205), (10, 20181764), (20, 10090882), (23, 8774680), (40, 5045441), (46, 4387340), (53, 3807880), (92, 2193670), (106, 1903940), (115, 1754936), (184, 1096835), (212, 951970), (230, 877468), (265, 761576), (424, 475985), (460, 438734), (530, 380788), (920, 219367), (1060, 190394), (1219, 165560), (2120, 95197), (2438, 82780), (4139, 48760), (4876, 41390), (6095, 33112), (8278, 24380), (9752, 20695), (12190, 16556)]