247444960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{220933}}^1$

素因数の和:220955

約数の個数: 48

約数和(自身を含む): 668104416

約数和(自身を除く): 420659456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 220933, 441866, 883732, 1104665, 1546531, 1767464, 2209330, 3093062, 3534928, 4418660, 6186124, 7069856, 7732655, 8837320, 12372248, 15465310, 17674640, 24744496, 30930620, 35349280, 49488992, 61861240, 123722480, 247444960]

約数ペア:

[(1, 247444960), (2, 123722480), (4, 61861240), (5, 49488992), (7, 35349280), (8, 30930620), (10, 24744496), (14, 17674640), (16, 15465310), (20, 12372248), (28, 8837320), (32, 7732655), (35, 7069856), (40, 6186124), (56, 4418660), (70, 3534928), (80, 3093062), (112, 2209330), (140, 1767464), (160, 1546531), (224, 1104665), (280, 883732), (560, 441866), (1120, 220933)]