18709600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:297

約数の個数: 144

約数和(自身を含む): 56433888

約数和(自身を除く): 37724288

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 160, 175, 182, 200, 208, 224, 257, 260, 280, 325, 350, 364, 400, 416, 455, 514, 520, 560, 650, 700, 728, 800, 910, 1028, 1040, 1120, 1285, 1300, 1400, 1456, 1799, 1820, 2056, 2080, 2275, 2570, 2600, 2800, 2912, 3341, 3598, 3640, 4112, 4550, 5140, 5200, 5600, 6425, 6682, 7196, 7280, 8224, 8995, 9100, 10280, 10400, 12850, 13364, 14392, 14560, 16705, 17990, 18200, 20560, 23387, 25700, 26728, 28784, 33410, 35980, 36400, 41120, 44975, 46774, 51400, 53456, 57568, 66820, 71960, 72800, 83525, 89950, 93548, 102800, 106912, 116935, 133640, 143920, 167050, 179900, 187096, 205600, 233870, 267280, 287840, 334100, 359800, 374192, 467740, 534560, 584675, 668200, 719600, 748384, 935480, 1169350, 1336400, 1439200, 1870960, 2338700, 2672800, 3741920, 4677400, 9354800, 18709600]

約数ペア:

[(1, 18709600), (2, 9354800), (4, 4677400), (5, 3741920), (7, 2672800), (8, 2338700), (10, 1870960), (13, 1439200), (14, 1336400), (16, 1169350), (20, 935480), (25, 748384), (26, 719600), (28, 668200), (32, 584675), (35, 534560), (40, 467740), (50, 374192), (52, 359800), (56, 334100), (65, 287840), (70, 267280), (80, 233870), (91, 205600), (100, 187096), (104, 179900), (112, 167050), (130, 143920), (140, 133640), (160, 116935), (175, 106912), (182, 102800), (200, 93548), (208, 89950), (224, 83525), (257, 72800), (260, 71960), (280, 66820), (325, 57568), (350, 53456), (364, 51400), (400, 46774), (416, 44975), (455, 41120), (514, 36400), (520, 35980), (560, 33410), (650, 28784), (700, 26728), (728, 25700), (800, 23387), (910, 20560), (1028, 18200), (1040, 17990), (1120, 16705), (1285, 14560), (1300, 14392), (1400, 13364), (1456, 12850), (1799, 10400), (1820, 10280), (2056, 9100), (2080, 8995), (2275, 8224), (2570, 7280), (2600, 7196), (2800, 6682), (2912, 6425), (3341, 5600), (3598, 5200), (3640, 5140), (4112, 4550)]