280682896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71023}}^1$

素因数の和:71063

約数の個数: 40

約数和(自身を含む): 616488320

約数和(自身を除く): 335805424

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 71023, 142046, 284092, 568184, 923299, 1136368, 1349437, 1846598, 2698874, 3693196, 5397748, 7386392, 10795496, 14772784, 17542681, 21590992, 35085362, 70170724, 140341448, 280682896]

約数ペア:

[(1, 280682896), (2, 140341448), (4, 70170724), (8, 35085362), (13, 21590992), (16, 17542681), (19, 14772784), (26, 10795496), (38, 7386392), (52, 5397748), (76, 3693196), (104, 2698874), (152, 1846598), (208, 1349437), (247, 1136368), (304, 923299), (494, 568184), (988, 284092), (1976, 142046), (3952, 71023)]