1920347800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:378

約数の個数: 192

約数和(自身を含む): 5249664000

約数和(自身を除く): 3329316200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 79, 97, 100, 140, 158, 175, 179, 194, 200, 280, 316, 350, 358, 388, 395, 485, 553, 632, 679, 700, 716, 776, 790, 895, 970, 1106, 1253, 1358, 1400, 1432, 1580, 1790, 1940, 1975, 2212, 2425, 2506, 2716, 2765, 3160, 3395, 3580, 3880, 3950, 4424, 4475, 4850, 5012, 5432, 5530, 6265, 6790, 7160, 7663, 7900, 8950, 9700, 10024, 11060, 12530, 13580, 13825, 14141, 15326, 15800, 16975, 17363, 17900, 19400, 22120, 25060, 27160, 27650, 28282, 30652, 31325, 33950, 34726, 35800, 38315, 50120, 53641, 55300, 56564, 61304, 62650, 67900, 69452, 70705, 76630, 86815, 98987, 107282, 110600, 113128, 121541, 125300, 135800, 138904, 141410, 153260, 173630, 191575, 197974, 214564, 243082, 250600, 268205, 282820, 306520, 347260, 353525, 383150, 395948, 429128, 434075, 486164, 494935, 536410, 565640, 607705, 694520, 707050, 766300, 791896, 868150, 972328, 989870, 1072820, 1215410, 1341025, 1371677, 1414100, 1532600, 1736300, 1979740, 2145640, 2430820, 2474675, 2682050, 2743354, 2828200, 3038525, 3472600, 3959480, 4861640, 4949350, 5364100, 5486708, 6077050, 6858385, 9601739, 9898700, 10728200, 10973416, 12154100, 13716770, 19203478, 19797400, 24308200, 27433540, 34291925, 38406956, 48008695, 54867080, 68583850, 76813912, 96017390, 137167700, 192034780, 240043475, 274335400, 384069560, 480086950, 960173900, 1920347800]

約数ペア:

[(1, 1920347800), (2, 960173900), (4, 480086950), (5, 384069560), (7, 274335400), (8, 240043475), (10, 192034780), (14, 137167700), (20, 96017390), (25, 76813912), (28, 68583850), (35, 54867080), (40, 48008695), (50, 38406956), (56, 34291925), (70, 27433540), (79, 24308200), (97, 19797400), (100, 19203478), (140, 13716770), (158, 12154100), (175, 10973416), (179, 10728200), (194, 9898700), (200, 9601739), (280, 6858385), (316, 6077050), (350, 5486708), (358, 5364100), (388, 4949350), (395, 4861640), (485, 3959480), (553, 3472600), (632, 3038525), (679, 2828200), (700, 2743354), (716, 2682050), (776, 2474675), (790, 2430820), (895, 2145640), (970, 1979740), (1106, 1736300), (1253, 1532600), (1358, 1414100), (1400, 1371677), (1432, 1341025), (1580, 1215410), (1790, 1072820), (1940, 989870), (1975, 972328), (2212, 868150), (2425, 791896), (2506, 766300), (2716, 707050), (2765, 694520), (3160, 607705), (3395, 565640), (3580, 536410), (3880, 494935), (3950, 486164), (4424, 434075), (4475, 429128), (4850, 395948), (5012, 383150), (5432, 353525), (5530, 347260), (6265, 306520), (6790, 282820), (7160, 268205), (7663, 250600), (7900, 243082), (8950, 214564), (9700, 197974), (10024, 191575), (11060, 173630), (12530, 153260), (13580, 141410), (13825, 138904), (14141, 135800), (15326, 125300), (15800, 121541), (16975, 113128), (17363, 110600), (17900, 107282), (19400, 98987), (22120, 86815), (25060, 76630), (27160, 70705), (27650, 69452), (28282, 67900), (30652, 62650), (31325, 61304), (33950, 56564), (34726, 55300), (35800, 53641), (38315, 50120)]