205804960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67699}}^1$

素因数の和:67733

約数の個数: 48

約数和(自身を含む): 511812000

約数和(自身を除く): 306007040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 67699, 135398, 270796, 338495, 541592, 676990, 1083184, 1286281, 1353980, 2166368, 2572562, 2707960, 5145124, 5415920, 6431405, 10290248, 10831840, 12862810, 20580496, 25725620, 41160992, 51451240, 102902480, 205804960]

約数ペア:

[(1, 205804960), (2, 102902480), (4, 51451240), (5, 41160992), (8, 25725620), (10, 20580496), (16, 12862810), (19, 10831840), (20, 10290248), (32, 6431405), (38, 5415920), (40, 5145124), (76, 2707960), (80, 2572562), (95, 2166368), (152, 1353980), (160, 1286281), (190, 1083184), (304, 676990), (380, 541592), (608, 338495), (760, 270796), (1520, 135398), (3040, 67699)]