990765440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13009}}^1$

素因数の和:13052

約数の個数: 128

約数和(自身を含む): 2866363200

約数和(自身を除く): 1875597760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1904, 2176, 2240, 2380, 2720, 3808, 4480, 4760, 5440, 7616, 9520, 10880, 13009, 15232, 19040, 26018, 38080, 52036, 65045, 76160, 91063, 104072, 130090, 182126, 208144, 221153, 260180, 364252, 416288, 442306, 455315, 520360, 728504, 832576, 884612, 910630, 1040720, 1105765, 1457008, 1548071, 1665152, 1769224, 1821260, 2081440, 2211530, 2914016, 3096142, 3538448, 3642520, 4162880, 4423060, 5828032, 6192284, 7076896, 7285040, 7740355, 8325760, 8846120, 11656064, 12384568, 14153792, 14570080, 15480710, 17692240, 24769136, 28307584, 29140160, 30961420, 35384480, 49538272, 58280320, 61922840, 70768960, 99076544, 123845680, 141537920, 198153088, 247691360, 495382720, 990765440]

約数ペア:

[(1, 990765440), (2, 495382720), (4, 247691360), (5, 198153088), (7, 141537920), (8, 123845680), (10, 99076544), (14, 70768960), (16, 61922840), (17, 58280320), (20, 49538272), (28, 35384480), (32, 30961420), (34, 29140160), (35, 28307584), (40, 24769136), (56, 17692240), (64, 15480710), (68, 14570080), (70, 14153792), (80, 12384568), (85, 11656064), (112, 8846120), (119, 8325760), (128, 7740355), (136, 7285040), (140, 7076896), (160, 6192284), (170, 5828032), (224, 4423060), (238, 4162880), (272, 3642520), (280, 3538448), (320, 3096142), (340, 2914016), (448, 2211530), (476, 2081440), (544, 1821260), (560, 1769224), (595, 1665152), (640, 1548071), (680, 1457008), (896, 1105765), (952, 1040720), (1088, 910630), (1120, 884612), (1190, 832576), (1360, 728504), (1904, 520360), (2176, 455315), (2240, 442306), (2380, 416288), (2720, 364252), (3808, 260180), (4480, 221153), (4760, 208144), (5440, 182126), (7616, 130090), (9520, 104072), (10880, 91063), (13009, 76160), (15232, 65045), (19040, 52036), (26018, 38080)]