289328940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1376

約数の個数: 144

約数和(自身を含む): 929728800

約数和(自身を除く): 640399860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 43, 45, 58, 60, 86, 87, 90, 116, 129, 145, 172, 174, 180, 215, 258, 261, 290, 348, 387, 430, 435, 516, 522, 580, 645, 774, 860, 870, 1044, 1247, 1289, 1290, 1305, 1548, 1740, 1935, 2494, 2578, 2580, 2610, 3741, 3867, 3870, 4988, 5156, 5220, 6235, 6445, 7482, 7734, 7740, 11223, 11601, 12470, 12890, 14964, 15468, 18705, 19335, 22446, 23202, 24940, 25780, 37381, 37410, 38670, 44892, 46404, 55427, 56115, 58005, 74762, 74820, 77340, 110854, 112143, 112230, 116010, 149524, 166281, 186905, 221708, 224286, 224460, 232020, 277135, 332562, 336429, 373810, 448572, 498843, 554270, 560715, 665124, 672858, 747620, 831405, 997686, 1108540, 1121430, 1345716, 1607383, 1662810, 1682145, 1995372, 2242860, 2494215, 3214766, 3325620, 3364290, 4822149, 4988430, 6429532, 6728580, 8036915, 9644298, 9976860, 14466447, 16073830, 19288596, 24110745, 28932894, 32147660, 48221490, 57865788, 72332235, 96442980, 144664470, 289328940]

約数ペア:

[(1, 289328940), (2, 144664470), (3, 96442980), (4, 72332235), (5, 57865788), (6, 48221490), (9, 32147660), (10, 28932894), (12, 24110745), (15, 19288596), (18, 16073830), (20, 14466447), (29, 9976860), (30, 9644298), (36, 8036915), (43, 6728580), (45, 6429532), (58, 4988430), (60, 4822149), (86, 3364290), (87, 3325620), (90, 3214766), (116, 2494215), (129, 2242860), (145, 1995372), (172, 1682145), (174, 1662810), (180, 1607383), (215, 1345716), (258, 1121430), (261, 1108540), (290, 997686), (348, 831405), (387, 747620), (430, 672858), (435, 665124), (516, 560715), (522, 554270), (580, 498843), (645, 448572), (774, 373810), (860, 336429), (870, 332562), (1044, 277135), (1247, 232020), (1289, 224460), (1290, 224286), (1305, 221708), (1548, 186905), (1740, 166281), (1935, 149524), (2494, 116010), (2578, 112230), (2580, 112143), (2610, 110854), (3741, 77340), (3867, 74820), (3870, 74762), (4988, 58005), (5156, 56115), (5220, 55427), (6235, 46404), (6445, 44892), (7482, 38670), (7734, 37410), (7740, 37381), (11223, 25780), (11601, 24940), (12470, 23202), (12890, 22446), (14964, 19335), (15468, 18705)]