204145760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2045

約数の個数: 144

約数和(自身を含む): 604494576

約数和(自身を除く): 400348816

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2003, 2080, 2548, 2912, 3185, 3640, 3920, 4006, 5096, 6370, 7280, 7840, 8012, 10015, 10192, 12740, 14021, 14560, 16024, 20030, 20384, 25480, 26039, 28042, 32048, 40060, 50960, 52078, 56084, 64096, 70105, 80120, 98147, 101920, 104156, 112168, 130195, 140210, 160240, 182273, 196294, 208312, 224336, 260390, 280420, 320480, 364546, 392588, 416624, 448672, 490735, 520780, 560840, 729092, 785176, 833248, 911365, 981470, 1041560, 1121680, 1275911, 1458184, 1570352, 1822730, 1962940, 2083120, 2243360, 2551822, 2916368, 3140704, 3645460, 3925880, 4166240, 5103644, 5832736, 6379555, 7290920, 7851760, 10207288, 12759110, 14581840, 15703520, 20414576, 25518220, 29163680, 40829152, 51036440, 102072880, 204145760]

約数ペア:

[(1, 204145760), (2, 102072880), (4, 51036440), (5, 40829152), (7, 29163680), (8, 25518220), (10, 20414576), (13, 15703520), (14, 14581840), (16, 12759110), (20, 10207288), (26, 7851760), (28, 7290920), (32, 6379555), (35, 5832736), (40, 5103644), (49, 4166240), (52, 3925880), (56, 3645460), (65, 3140704), (70, 2916368), (80, 2551822), (91, 2243360), (98, 2083120), (104, 1962940), (112, 1822730), (130, 1570352), (140, 1458184), (160, 1275911), (182, 1121680), (196, 1041560), (208, 981470), (224, 911365), (245, 833248), (260, 785176), (280, 729092), (364, 560840), (392, 520780), (416, 490735), (455, 448672), (490, 416624), (520, 392588), (560, 364546), (637, 320480), (728, 280420), (784, 260390), (910, 224336), (980, 208312), (1040, 196294), (1120, 182273), (1274, 160240), (1456, 140210), (1568, 130195), (1820, 112168), (1960, 104156), (2003, 101920), (2080, 98147), (2548, 80120), (2912, 70105), (3185, 64096), (3640, 56084), (3920, 52078), (4006, 50960), (5096, 40060), (6370, 32048), (7280, 28042), (7840, 26039), (8012, 25480), (10015, 20384), (10192, 20030), (12740, 16024), (14021, 14560)]