78170540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{863}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 188116992

約数和(自身を除く): 109946452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647, 863, 1294, 1726, 2588, 3235, 3452, 4315, 4529, 6041, 6470, 8630, 9058, 12082, 12940, 17260, 18116, 22645, 24164, 30205, 45290, 60410, 90580, 120820, 558361, 1116722, 2233444, 2791805, 3908527, 5583610, 7817054, 11167220, 15634108, 19542635, 39085270, 78170540]

約数ペア:

[(1, 78170540), (2, 39085270), (4, 19542635), (5, 15634108), (7, 11167220), (10, 7817054), (14, 5583610), (20, 3908527), (28, 2791805), (35, 2233444), (70, 1116722), (140, 558361), (647, 120820), (863, 90580), (1294, 60410), (1726, 45290), (2588, 30205), (3235, 24164), (3452, 22645), (4315, 18116), (4529, 17260), (6041, 12940), (6470, 12082), (8630, 9058)]