2000561680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:921

約数の個数: 160

約数和(自身を含む): 5318409600

約数和(自身を除く): 3317847920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 137, 152, 190, 208, 247, 260, 274, 304, 380, 494, 520, 548, 685, 739, 760, 988, 1040, 1096, 1235, 1370, 1478, 1520, 1781, 1976, 2192, 2470, 2603, 2740, 2956, 3562, 3695, 3952, 4940, 5206, 5480, 5912, 7124, 7390, 8905, 9607, 9880, 10412, 10960, 11824, 13015, 14041, 14248, 14780, 17810, 19214, 19760, 20824, 26030, 28082, 28496, 29560, 33839, 35620, 38428, 41648, 48035, 52060, 56164, 59120, 67678, 70205, 71240, 76856, 96070, 101243, 104120, 112328, 135356, 140410, 142480, 153712, 169195, 182533, 192140, 202486, 208240, 224656, 270712, 280820, 338390, 365066, 384280, 404972, 506215, 541424, 561640, 676780, 730132, 768560, 809944, 912665, 1012430, 1123280, 1316159, 1353560, 1460264, 1619888, 1825330, 1923617, 2024860, 2632318, 2707120, 2920528, 3650660, 3847234, 4049720, 5264636, 6580795, 7301320, 7694468, 8099440, 9618085, 10529272, 13161590, 14602640, 15388936, 19236170, 21058544, 25007021, 26323180, 30777872, 38472340, 50014042, 52646360, 76944680, 100028084, 105292720, 125035105, 153889360, 200056168, 250070210, 400112336, 500140420, 1000280840, 2000561680]

約数ペア:

[(1, 2000561680), (2, 1000280840), (4, 500140420), (5, 400112336), (8, 250070210), (10, 200056168), (13, 153889360), (16, 125035105), (19, 105292720), (20, 100028084), (26, 76944680), (38, 52646360), (40, 50014042), (52, 38472340), (65, 30777872), (76, 26323180), (80, 25007021), (95, 21058544), (104, 19236170), (130, 15388936), (137, 14602640), (152, 13161590), (190, 10529272), (208, 9618085), (247, 8099440), (260, 7694468), (274, 7301320), (304, 6580795), (380, 5264636), (494, 4049720), (520, 3847234), (548, 3650660), (685, 2920528), (739, 2707120), (760, 2632318), (988, 2024860), (1040, 1923617), (1096, 1825330), (1235, 1619888), (1370, 1460264), (1478, 1353560), (1520, 1316159), (1781, 1123280), (1976, 1012430), (2192, 912665), (2470, 809944), (2603, 768560), (2740, 730132), (2956, 676780), (3562, 561640), (3695, 541424), (3952, 506215), (4940, 404972), (5206, 384280), (5480, 365066), (5912, 338390), (7124, 280820), (7390, 270712), (8905, 224656), (9607, 208240), (9880, 202486), (10412, 192140), (10960, 182533), (11824, 169195), (13015, 153712), (14041, 142480), (14248, 140410), (14780, 135356), (17810, 112328), (19214, 104120), (19760, 101243), (20824, 96070), (26030, 76856), (28082, 71240), (28496, 70205), (29560, 67678), (33839, 59120), (35620, 56164), (38428, 52060), (41648, 48035)]