321777890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{42961}}^1$

素因数の和:43082

約数の個数: 32

約数和(自身を含む): 668145024

約数和(自身を除く): 346367134

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 3745, 7490, 42961, 85922, 214805, 300727, 429610, 601454, 1503635, 3007270, 4596827, 9193654, 22984135, 32177789, 45968270, 64355578, 160888945, 321777890]

約数ペア:

[(1, 321777890), (2, 160888945), (5, 64355578), (7, 45968270), (10, 32177789), (14, 22984135), (35, 9193654), (70, 4596827), (107, 3007270), (214, 1503635), (535, 601454), (749, 429610), (1070, 300727), (1498, 214805), (3745, 85922), (7490, 42961)]