248789660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{253867}}^1$

素因数の和:253890

約数の個数: 36

約数和(自身を含む): 607759992

約数和(自身を除く): 358970332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 253867, 507734, 1015468, 1269335, 1777069, 2538670, 3554138, 5077340, 7108276, 8885345, 12439483, 17770690, 24878966, 35541380, 49757932, 62197415, 124394830, 248789660]

約数ペア:

[(1, 248789660), (2, 124394830), (4, 62197415), (5, 49757932), (7, 35541380), (10, 24878966), (14, 17770690), (20, 12439483), (28, 8885345), (35, 7108276), (49, 5077340), (70, 3554138), (98, 2538670), (140, 1777069), (196, 1269335), (245, 1015468), (490, 507734), (980, 253867)]