201357640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 523480320

約数和(自身を除く): 322122680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 101, 110, 115, 184, 197, 202, 220, 230, 253, 394, 404, 440, 460, 505, 506, 788, 808, 920, 985, 1010, 1012, 1111, 1265, 1576, 1970, 2020, 2024, 2167, 2222, 2323, 2530, 3940, 4040, 4334, 4444, 4531, 4646, 5060, 5555, 7880, 8668, 8888, 9062, 9292, 10120, 10835, 11110, 11615, 17336, 18124, 18584, 19897, 21670, 22220, 22655, 23230, 25553, 36248, 39794, 43340, 44440, 45310, 46460, 49841, 51106, 79588, 86680, 90620, 92920, 99485, 99682, 102212, 127765, 159176, 181240, 198970, 199364, 204424, 218867, 249205, 255530, 397940, 398728, 437734, 457631, 498410, 511060, 795880, 875468, 915262, 996820, 1022120, 1094335, 1750936, 1830524, 1993640, 2188670, 2288155, 3661048, 4377340, 4576310, 5033941, 8754680, 9152620, 10067882, 18305240, 20135764, 25169705, 40271528, 50339410, 100678820, 201357640]

約数ペア:

[(1, 201357640), (2, 100678820), (4, 50339410), (5, 40271528), (8, 25169705), (10, 20135764), (11, 18305240), (20, 10067882), (22, 9152620), (23, 8754680), (40, 5033941), (44, 4576310), (46, 4377340), (55, 3661048), (88, 2288155), (92, 2188670), (101, 1993640), (110, 1830524), (115, 1750936), (184, 1094335), (197, 1022120), (202, 996820), (220, 915262), (230, 875468), (253, 795880), (394, 511060), (404, 498410), (440, 457631), (460, 437734), (505, 398728), (506, 397940), (788, 255530), (808, 249205), (920, 218867), (985, 204424), (1010, 199364), (1012, 198970), (1111, 181240), (1265, 159176), (1576, 127765), (1970, 102212), (2020, 99682), (2024, 99485), (2167, 92920), (2222, 90620), (2323, 86680), (2530, 79588), (3940, 51106), (4040, 49841), (4334, 46460), (4444, 45310), (4531, 44440), (4646, 43340), (5060, 39794), (5555, 36248), (7880, 25553), (8668, 23230), (8888, 22655), (9062, 22220), (9292, 21670), (10120, 19897), (10835, 18584), (11110, 18124), (11615, 17336)]