205867144

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 492687360

約数和(自身を除く): 286820216

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 43, 47, 56, 68, 86, 94, 107, 119, 136, 172, 188, 214, 238, 301, 329, 344, 376, 428, 476, 602, 658, 731, 749, 799, 856, 952, 1204, 1316, 1462, 1498, 1598, 1819, 2021, 2408, 2632, 2924, 2996, 3196, 3638, 4042, 4601, 5029, 5117, 5593, 5848, 5992, 6392, 7276, 8084, 9202, 10058, 10234, 11186, 12733, 14147, 14552, 16168, 18404, 20116, 20468, 22372, 25466, 28294, 32207, 34357, 35203, 36808, 40232, 40936, 44744, 50932, 56588, 64414, 68714, 70406, 78217, 85493, 101864, 113176, 128828, 137428, 140812, 156434, 170986, 216247, 240499, 257656, 274856, 281624, 312868, 341972, 432494, 480998, 547519, 598451, 625736, 683944, 864988, 961996, 1095038, 1196902, 1513729, 1729976, 1923992, 2190076, 2393804, 3027458, 3676199, 4380152, 4787608, 6054916, 7352398, 12109832, 14704796, 25733393, 29409592, 51466786, 102933572, 205867144]

約数ペア:

[(1, 205867144), (2, 102933572), (4, 51466786), (7, 29409592), (8, 25733393), (14, 14704796), (17, 12109832), (28, 7352398), (34, 6054916), (43, 4787608), (47, 4380152), (56, 3676199), (68, 3027458), (86, 2393804), (94, 2190076), (107, 1923992), (119, 1729976), (136, 1513729), (172, 1196902), (188, 1095038), (214, 961996), (238, 864988), (301, 683944), (329, 625736), (344, 598451), (376, 547519), (428, 480998), (476, 432494), (602, 341972), (658, 312868), (731, 281624), (749, 274856), (799, 257656), (856, 240499), (952, 216247), (1204, 170986), (1316, 156434), (1462, 140812), (1498, 137428), (1598, 128828), (1819, 113176), (2021, 101864), (2408, 85493), (2632, 78217), (2924, 70406), (2996, 68714), (3196, 64414), (3638, 56588), (4042, 50932), (4601, 44744), (5029, 40936), (5117, 40232), (5593, 36808), (5848, 35203), (5992, 34357), (6392, 32207), (7276, 28294), (8084, 25466), (9202, 22372), (10058, 20468), (10234, 20116), (11186, 18404), (12733, 16168), (14147, 14552)]